application

application — 名詞

1. a formal letter or form sent to a company, school, or government office in which

1.名詞B1
釋義

申請；申請書

正式請求工作、入學或許可的文件

a formal letter or form sent to a company, school, or government office in which someone asks to receive a job, a study place, money, or the right to do something specific.

例句

Theo sent an application for the marketing job at three different companies.

Theo 把行銷職缺的申請寄給三家不同的公司。

application for + [job/role]

The university received over 5,000 applications from students this year.

這所大學今年收到超過五千份學生的入學申請。

plural countable use with a number

同義詞
  • request

    more general; an application is a specific, formal type of request

  • petition

    usually signed by many people asking authorities for something

  • submission

    emphasises the act of sending the documents in

文法句型

application for [something]

application to [do something]

make/submit an application

用法筆記

Often paired with the verbs 'make', 'submit', 'send', or 'fill in', and with the prepositions 'for' (the thing wanted) and 'to' (the body receiving it). Compound forms like 'job application' or 'visa application' are very common.

常見錯誤

❌I made an application of the new job.
✅I made an application for the new job.
💡use 'for' with the thing you are applying to get.
❌She wrote a application to the bank.
✅She wrote an application to the bank.
💡use 'an' before a vowel sound.

2. software, often shortened in speech to 'app', that you install on a phone or com

2.名詞B2
釋義

應用程式

手機或電腦上執行特定任務的軟體

software, often shortened in speech to 'app', that you install on a phone or computer so it can do one kind of task such as editing photos, sending messages, or paying bills.

例句

Noa downloaded a new banking application onto her phone.

Noa 把一個新的銀行應用程式下載到她的手機裡。

common verb: download an application

Most office workers use a spreadsheet application every day.

大部分上班族每天都會使用試算表應用程式。

[type] + application

同義詞
  • app

    everyday short form, especially for mobile

  • program

    more general; covers all software, not just task-focused tools

  • software

    uncountable; the broader category

文法句型

application for [device/purpose]

open/run/install an application

用法筆記

In everyday spoken English, the short form 'app' is far more common, especially for phones. 'Application' is preferred in business and technical writing, and for desktop programs (e.g. 'desktop application').

常見錯誤

❌I installed the application in my phone.
✅I installed the application on my phone.
💡use 'on' for devices.

3. the way an idea, method, or piece of knowledge is used to solve real problems or

3.名詞C1
釋義

用途；應用

知識或方法解決實際問題的方式

the way an idea, method, or piece of knowledge is used to solve real problems or make real things happen, rather than only being talked about in theory.

例句

Dr. Rohan studies the application of laser technology to eye surgery.

田中博士研究雷射科技在眼科手術上的應用。

application of X to Y

This new material has many applications in the building industry.

這種新材料在建築業有許多用途。

have applications in [field]

同義詞
  • use

    more everyday; 'application' sounds more technical

  • implementation

    stresses the act of putting a plan into practice

  • function

    what something does, narrower than 'application'

反義詞
  • theory

    ideas without real-world use

文法句型

application of [something] (to [something])

have an application in [field]

用法筆記

Distinguish from sense 7 (the moment of putting something into operation). This sense names the kind of use itself — areas, fields, or problems where the thing is useful — and is often plural ('applications').

常見錯誤

❌AI has many application in medicine.
✅AI has many applications in medicine.
💡use plural after 'many'.

4. the act of putting paint, cream, glue, or another substance onto a surface, or a

4.名詞C1
釋義

塗抹；塗層

把油漆或藥膏塗在表面的動作或那一層

the act of putting paint, cream, glue, or another substance onto a surface, or a thin layer of that substance once it has been put there.

例句

The wooden door needs two applications of paint to look smooth.

這扇木門要塗兩次油漆才會看起來平滑。

two/several applications of [substance]

The nurse showed Aunt Rosa the correct application of the burn cream.

護理師示範給 Rosa 阿姨看燙傷藥膏的正確塗法。

application of + [medical product]

同義詞
  • coating

    the layer left after applying; less common as a process word

  • layer

    the result, not the action

反義詞

文法句型

application of [substance] (to [surface])

用法筆記

Often appears in instructions on packages, in medical advice, or in DIY guides. The substance is usually liquid, soft, or sticky — paint, cream, glue, polish, oil — and the surface is usually skin, wood, metal, or fabric.

5. the steady, focused effort that someone gives to studying or working on a task o

5.名詞C2
釋義

勤奮；專注

長時間專注於一件事的投入

the steady, focused effort that someone gives to studying or working on a task over a long time so that they can do it well or finish it.

例句

With patient application, Noa mastered the violin in three years.

靠著耐心的努力，Noa 三年內就把小提琴練得很好。

with + application

The teacher praised the boy's quiet application to his math homework.

老師稱讚那個男孩寫數學作業時安靜又專注的態度。

application to [task]

同義詞
  • diligence

    very close in meaning, slightly more formal

  • dedication

    stresses loyalty to the task, not just hard work

  • perseverance

    stresses not giving up despite difficulty

反義詞

文法句型

with application

show/lack application

用法筆記

Sounds quite formal and is more common in writing or in school reports than in casual speech. Often paired with adjectives like 'patient', 'quiet', 'steady', 'careful', and used after 'with' or 'lack'.

6. the act of putting a rule, law, or principle into operation and enforcing it, so

6.名詞C2
釋義

施行；實施

讓規則或法律開始發生效力

the act of putting a rule, law, or principle into operation and enforcing it, so that those covered by it must obey.

例句

The fair application of the new tax law took several months to prepare.

公平地施行這項新稅法花了好幾個月準備。

application of [law]

Officials are studying the application of the safety rules at small factories.

官員正在研究小工廠裡安全規定的施行情況。

application of [rules]

同義詞
  • enforcement

    stresses making people obey, often by police or officials

  • implementation

    the whole process of putting a plan into action

反義詞
  • suspension

    stopping a rule from being used for a time

文法句型

application of [a rule/law/principle]

用法筆記

Distinguish from sense 3 (areas where something is useful) — this sense focuses on the moment of switching a rule on and enforcing it. Common in legal, political, and policy writing; rare in everyday speech.

7. the question of which people, cases, or situations a rule, idea, or piece of adv

7.名詞C2
釋義

適用；關聯

規則或想法對某人或情況的關聯

the question of which people, cases, or situations a rule, idea, or piece of advice covers and is meant for.

例句

The old fishing rule has no application to modern boats with engines.

舊的捕魚規則對現代有引擎的船並不適用。

have no application to [X]

This warning has special application to drivers in heavy snow.

這項警告對在大雪中開車的人特別適用。

have special application to [group]

同義詞
  • relevance

    everyday word for the same idea

  • bearing

    formal; often 'have a bearing on'

反義詞

文法句型

have (no/some/wide) application to [something]

用法筆記

Distinguish from sense 6: sense 6 is the act of switching a rule on; this sense answers 'who or what does this rule actually concern?'. Often follows 'have' plus an adjective like 'no', 'some', 'wide', 'special', or 'limited', and takes 'to'.

常見錯誤

❌The rule has no application for my case.
✅The rule has no application to my case.
💡use 'to' with this sense, not 'for'.