expel

/ɪkˈspel/ (bre, ipa) · /ɪkˈspel/ (ame, ipa) · /ik-ˈspel/ (ame, mw)

expel — verb

  • expelpresent simple I / you / we / they
  • expelshe / she / it
  • expelledpast simple
  • expelling-ing form

1. to make a person leave a school, group, or nation, usually because they have don

1.動詞及物B2
釋義

to make a person leave a school, group, or nation, usually because they have done something that breaks the rules

例句

The school board voted to expel three students for vandalism.

be expelled for [reason]; passive

After the scandal, the party expelled its treasurer for misusing funds.

expel [person] from [organization] for [misconduct]

同義詞
  • oust

    more common in politics and business; often implies removing someone from a position of power

  • banish

    suggests permanent exile from a community or place as punishment; more literary

  • deport

    specifically refers to sending a foreigner out of a country by legal order

  • dismiss

    less forceful; can mean sending someone away from a job, class, or meeting

反義詞
  • admit

    to allow someone to enter or join a school or organization

  • accept

    to receive someone as a member of a group

文法句型

someone + be expelled + from + [institution / country]

someone + be expelled + for + [reason]

用法筆記

Frequently used in the passive voice (be expelled from). The object is always a person or group. Use from to specify the place and for to give the reason.

常見錯誤

❌He was expelled from the meeting for being late.
✅He was expelled from the school for stealing.
💡Expulsion is a formal, permanent removal from an institution or country, not a temporary exclusion from an event.
❌She was expelled from her job.
✅She was fired from her job.
💡Use fire or dismiss for removal from employment; expel is used for schools, organizations, and countries.

2. when a body, machine, or natural feature pushes a substance such as air, gas, or

2.動詞及物B2
釋義

when a body, machine, or natural feature pushes a substance such as air, gas, or liquid out from inside itself, often with pressure

例句

When you cough, your lungs expel air with sudden and powerful force.

expel [substance] from [body part]

The volcano on the island expels ash and steam several times each day.

同義詞
  • eject

    often used for mechanical or automatic release; a CD player ejects a disc

  • discharge

    more formal or medical; a wound discharges pus

  • emit

    used for gases, light, or sound released naturally or steadily

反義詞
  • contain

    to hold something inside

  • absorb

    to take a substance into the body or material

文法句型

[body / machine] + expel + [substance] + from + [container / body part]

[body / machine] + expel + [substance] + through + [opening]

用法筆記

The subject is usually a body part (lungs, throat), a machine (fan, engine), or a natural phenomenon (volcano, geyser). The object is always a substance — air, gas, liquid, smoke, ash — never the container itself.

常見錯誤

❌The engine expelled a loud noise.
✅The engine expelled hot gas with a loud noise.
💡The object of expel is the substance, not the sound or result.
❌She expelled water from the bottle.
✅She squeezed the bottle and expelled the water from it.
💡The verb suggests force; gently pouring is not expelling.