switch

switch — 名詞

1. A small piece of hardware, typically fixed to a wall or built into a device, tha

1.名詞A2
釋義

開關

控制電源啟動或停止的小裝置

A small piece of hardware, typically fixed to a wall or built into a device, that you push or slide to make an electrical appliance start or stop working.

例句

Liang walked into the dark room and felt for the switch on the wall.

Liang 走進漆黑的房間，伸手去摸牆上的開關。

collocation: switch on the wall

Noa pressed the light switch as she left the kitchen.

Noa 離開廚房時按下了電燈開關。

同義詞
  • button

    a button is usually pressed and often controls a single function; a switch toggles between two states

  • control

    more general; a dimmer control could be a knob, slider, or switch

文法句型

adjective + switch (light switch, dimmer switch, wall switch)

switch + verb (the switch controls...)

用法筆記

In British English, a wall-mounted electrical switch is usually called just a switch; in American English, light switch or wall switch is more common in everyday speech.

常見錯誤

❌I pushed the switch to make the computer work.
✅I pressed the switch to turn on the computer.
💡For most electrical switches, 'press' or 'flick' are more natural than 'push.'

2. A set of movable rails at a track junction that directs a moving train onto a di

2.名詞B1
釋義

轉轍器

讓火車變換軌道的活動裝置

A set of movable rails at a track junction that directs a moving train onto a different parallel route.

例句

The driver pulled the lever to operate the switch, sending the train onto a side track.

駕駛員拉動操作桿讓轉轍器運作，將火車引導到側線軌道上。

Kian noticed the railway switch move just before the express train changed tracks.

Kian 在特快列車變換軌道之前，注意到轉轍器移動了。

verb: railway switch move

同義詞
  • points

    used in British English; 'points' refers to the same railway mechanism

  • turnout

    a more technical railway term for the entire switching assembly

文法句型

railway switch / railroad switch

switch + verb (the switch directs...)

用法筆記

This sense is also called a set of points in British English. The term switch by itself is more common in American English for railway contexts.

3. A moment when one thing stops and a different thing starts in its place, often h

3.名詞B1
釋義

轉變；調換

突然或完全的改變

A moment when one thing stops and a different thing starts in its place, often happening quickly or completely.

例句

His switch from city life to farming surprised all his friends.

他從都市生活轉變為務農，讓所有的朋友都感到驚訝。

pattern: switch from A to B

The company announced a switch in its marketing strategy after the bad quarter.

公司在業績不佳的那一季之後，宣布調整行銷策略。

同義詞
  • change

    change is more general; a switch is usually quicker and more complete

  • shift

    shift often implies a gradual movement; a switch is more abrupt

  • swap

    swap specifically means two things exchange places; a switch can be one-way

文法句型

a switch + in + noun (a switch in policy)

a switch + from + noun + to + noun (a switch from A to B)

make a switch

用法筆記

Unlike change, a switch often emphasizes that the two options are clearly separate and the move from one to the other is deliberate or abrupt.

常見錯誤

❌There was a switch of weather from sunny to rainy.
✅There was a change in the weather from sunny to rainy.
💡'Switch' with weather is unnatural; 'change' or 'shift' is more idiomatic.

switch — 動詞