boost

boost — verb

1. to help something move to a higher level, or make it stronger, more effective, o

1.動詞及物B2
釋義

to help something move to a higher level, or make it stronger, more effective, or more likely to succeed

例句

Extra buses helped boost weekend sales at the night market.

boost + sales

The coach's calm talk boosted the players' confidence before the final.

boost + confidence

同義詞
  • increase

    the broad neutral choice, often for numbers or amount

  • improve

    focuses more on making quality better than on raising level

  • strengthen

    stresses making something more solid, effective, or powerful

  • raise

    common for levels, rates, prices, and amounts

反義詞
  • reduce

    make the level or amount lower

  • weaken

    make something less strong or less effective

文法句型

boost + noun

boost + confidence/morale/sales

boost + business/economy/tourism

用法筆記

Object is usually something that can rise or grow, such as sales, confidence, safety, tourism, or production. Distinguish from verb/2: this sense is about improving results or strength, not giving a vaccine dose.

常見錯誤

The new poster boosted to sell more tickets.
The new poster boosted ticket sales.
💡'boost' normally takes a direct noun object, not 'to + verb'.

2. to give a person or animal an extra vaccine dose that renews or strengthens prot

2.動詞及物
釋義

to give a person or animal an extra vaccine dose that renews or strengthens protection

例句

Clinic nurses boosted older residents before winter flu season.

boost + somebody

All hospital staff were boosted against measles last month.

passive: be boosted against + illness

同義詞
  • vaccinate

    broader word that can mean any vaccine dose, not specifically an extra one

  • give a booster

    common everyday phrase for the same medical action

文法句型

boost + somebody

be boosted against + illness

get boosted before + event or trip

用法筆記

Often appears in the passive or in the pattern get boosted. The object is the person or animal receiving the extra dose, and against usually names the disease.

常見錯誤

I boosted against flu yesterday.
I got boosted against flu yesterday.
💡this sense usually needs an object, or it appears in the passive.

boost — noun