bug

bug — noun

1. a tiny crawling or flying creature, especially one people notice as a small inse

1.名詞B1
釋義

a tiny crawling or flying creature, especially one people notice as a small insect.

例句

A fat green bug landed on Mei's sandwich in the park.

bug landed on something

Tiny bugs gathered around the porch light after the rain.

bugs gathered around a light

同義詞
  • insect

    the more exact and neutral scientific word

  • beetle

    one particular kind of insect, not a general term

  • pest

    emphasizes that the creature causes harm or trouble

文法句型

bug in + house/garden

kill/squash a bug

用法筆記

Often broader and less exact than 'insect' in everyday speech. It is especially common when the speaker sees the creature as small, unpleasant, or hard to identify.

2. a mild sickness that people easily pass to each other, often for a few days.

2.名詞B2
釋義

a mild sickness that people easily pass to each other, often for a few days.

例句

Ravi stayed home with a stomach bug and drank warm tea.

collocation: stomach bug

Half the class caught the same bug after the camping trip.

pattern: catch a bug

同義詞
  • illness

    broader and more neutral; it can describe serious conditions too

  • infection

    more medical and focuses on the cause inside the body

  • virus

    common in everyday speech, but it only fits when the cause is viral

文法句型

catch a bug

pick up a bug

stomach bug

用法筆記

Common in everyday speech for short illnesses such as a stomach or winter bug. It usually suggests something annoying but not very serious.

常見錯誤

I was sick by a bug all week.
I caught a bug last week.
💡this sense is usually used with verbs like 'catch' or 'pick up'.

3. an error in software or another system that makes it behave in the wrong way.

3.名詞B2
釋義

an error in software or another system that makes it behave in the wrong way.

例句

One hidden bug made the ticket app crash every morning.

a bug made software crash

Hana found a bug in the payment system before launch.

pattern: bug in a system

同義詞
  • error

    broader; it can be a mistake by a person or by a system

  • glitch

    often suggests a small or temporary problem

  • flaw

    can describe a deeper weakness in design, not just one fault

  • defect

    more formal and often used in technical or quality-control contexts

文法句型

bug in + software/system/page

find/fix a bug

用法筆記

Usually used in computing and engineering contexts, often with verbs like 'find', 'fix', 'remove', or 'report'. Distinguish from sense 4, which names a hidden listening device.

常見錯誤

There is a bug on the software.
There is a bug in the software.
💡software problems are usually 'in' a program or system.

4. a hidden microphone or similar piece of equipment used to listen to private talk

4.名詞
釋義

a hidden microphone or similar piece of equipment used to listen to private talk secretly.

例句

Police found a bug under the mayor's desk lamp.

find a bug

Someone had hidden a bug inside the hotel phone.

bug inside a phone

同義詞
  • listening device

    the clearest neutral phrase for this meaning

  • wiretap

    more specific; often connected with phone lines or official surveillance

  • microphone

    much broader; it does not usually imply secrecy

文法句型

bug in + room/phone/wall

plant/find a bug

用法筆記

Common in crime, security, and political reporting. Distinguish from verb sense 2, which describes the action of putting such a device in a place.

5. a strong new excitement about an activity or subject that makes you want more of

5.名詞
釋義

a strong new excitement about an activity or subject that makes you want more of it.

例句

After one surf lesson, Diego got the bug for the sea.

pattern: get the bug for

During one summer at the farm, Greta caught the gardening bug.

pattern: catch the bug

同義詞
  • enthusiasm

    more neutral and less idiomatic

  • passion

    stronger and often longer-lasting

  • craze

    suggests a more sudden or fashionable interest

  • taste

    weaker; it can mean only a small liking for something

反義詞

文法句型

get the bug for + hobby/topic

catch the bug

have the bug for + activity

用法筆記

Usually appears in fixed expressions such as 'get the bug for', 'catch the bug', or 'have the bug for'. It is especially common for hobbies, travel, and sports.

常見錯誤

She got bug for chess.
She got the bug for chess.
💡this idiomatic sense normally needs 'the'.

bug — verb