boosted

IPA/buːst/
KK[bˈustɪd]IPA/buːst/

boosted — verb

  • boostedpresent simple I / you / we / they
  • boosteds3rd person singular
  • boosteding-ing form
  • boostededpast simple

1. to help something become higher, stronger, or more successful — for example, sal

1.動詞及物B1
釋義

to help something become higher, stronger, or more successful — for example, sales, confidence, the economy, or someone's energy

例句

Vivek's new marketing strategy boosted sales by twenty percent in the first month.

boost + noun phrase referring to business performance

A good night's sleep can boost your energy and help you concentrate at school.

同義詞
  • increase

    more neutral; focuses on quantity rather than quality

  • improve

    focuses on making something better, not necessarily larger

  • enhance

    more formal; often used for qualities, appearance, or value

  • raise

    can mean to increase in level, amount, or position

反義詞
  • reduce

    to make something smaller or lower in amount

  • weaken

    to make something less strong or effective

文法句型

boost + noun phrase

用法筆記

Object is typically an abstract concept (confidence, morale, economy) or a measurable quantity (sales, profits, ratings). Can also take concrete nouns related to health or performance (immune system, energy, signal).

常見錯誤

❌The prize boosted up my confidence.
✅The prize boosted my confidence.
💡'boost' already contains the idea of raising; adding 'up' is redundant.
❌We need to boost the profit.
✅We need to boost profits.
💡'boost' typically takes a plural countable noun or a mass noun.

2. to give a person an extra dose of a vaccine so that their body's protection agai

2.動詞及物B2
釋義

to give a person an extra dose of a vaccine so that their body's protection against a disease stays strong after the earlier doses have started to wear off

例句

The clinic boosted all the teachers against the flu before winter arrived.

boost + person + against + disease

People over sixty-five were boosted with an updated COVID-19 vaccine last month.

passive: be boosted with [vaccine name]

文法句型

boost + person

be boosted against + disease

be boosted with + vaccine

用法筆記

Frequently in the passive voice. The person receiving the dose is the grammatical object, not the vaccine substance. Common in public-health and medical contexts. Became widely used during the COVID-19 pandemic.

常見錯誤

❌The doctor boosted a vaccine into her arm.
✅The doctor boosted her with a vaccine.
💡the person is the object; the vaccine follows 'with'.

3. to raise someone or something upward by pushing from underneath, often to help t

3.動詞及物B2
釋義

to raise someone or something upward by pushing from underneath, often to help them reach a higher place or surface

例句

Ryo boosted his little sister up so she could see the parade over the crowd.

boost + someone + up (adverb)

The firefighter boosted the child out of the window and into safety.

同義詞
  • lift

    more general; does not specify the direction (from below)

  • raise

    focuses on the upward result, not the method

  • hoist

    suggests more effort or using a mechanical aid

反義詞
  • drop

    to let something fall downward

文法句型

boost + someone/something + up (adverb)

boost + someone/something + onto/over/through

用法筆記

Often followed by the adverb 'up' or a preposition like 'onto', 'over', or 'through'. The person doing the boosting is usually below or behind the thing being lifted. This sense is more common in physical, literal contexts than in figurative language.