harmful

harmful — 形容詞

1. likely to cause physical damage, health problems, or other negative effects to a

1.形容詞B1
釋義

有害的

會對健康、環境等造成傷害的

likely to cause physical damage, health problems, or other negative effects to a person, animal, or the environment

例句

Ada wears gloves when using the spray because the chemicals are harmful to her skin.

Ada 使用噴霧時會戴手套，因為裡面的化學物質對她的皮膚有害。

pattern: harmful to + body part / health

Kabir worried that the polluted air near the factory was harmful to his health.

Kabir 擔心工廠附近的汙染空氣對他的健康有害。

collocation: harmful to health

常見搭配
  • harmful to health
  • harmful to the environment
  • harmful effects
  • harmful chemicals
  • harmful substances
  • harmful bacteria
  • potentially harmful
  • harmful habit
同義詞
  • damaging

    stronger emphasis on physical or structural harm

  • dangerous

    broader meaning; implies risk of serious harm or injury

  • injurious

    more formal register; typically used in medical or legal contexts

  • detrimental

    formal; suggests long-term negative effects, often on health or progress

反義詞
  • harmless

    the direct opposite; does not cause harm

  • safe

    broader meaning; free from risk or danger

文法句型

harmful + noun

be + harmful + to + noun phrase

用法筆記

Commonly followed by the preposition 'to' to specify who or what is affected, as in harmful to health, harmful to the environment, or harmful to children.

常見錯誤

This food is harmful for your health.
This food is harmful to your health.
The correct preposition after 'harmful' is 'to', not 'for'.
He thinks the drug is harmless for patients.' (when meaning 'not harmful').
He thinks the drug is harmless to patients.
'Harmless' also takes 'to', not 'for'.

同根字