Word · CEFR A2 · Frequency #6454
harmful
/ˈhɑːrmfl̩/
adjective
有害的
核心释义
Causing or likely to cause harm or damage.
- 1.
有害的；造成伤害的。
Causing or likely to cause harm or damage; injurious.
- 2.
造成或能够造成伤害的；有害的
causing or capable of causing harm
有害的；造成伤害的。；造成或能够造成伤害的；有害的；伤害的
用法In use
Exposure to harmful chemicals can cause serious health problems.
用法提示：形容词 'harmful' 修饰名词 'chemicals'，意为“有害的”。
This plastic is not harmful to the environment because it biodegrades quickly.
用法提示：形容词 'harmful' 作表语，表示“有害的”，后接介词短语说明对象。
The doctor warned that too much screen time can be harmful to your eyes.
用法提示：形容词 'harmful' 作表语，与 'to' 连用，表示“对……有害”。
too much sun is harmful to the skin
harmful effects of smoking
be harmful to sb/sth
相关词与表达Connections
搭配Collocations
- harmful effects
- 有害影响
- The harmful effects of smoking are well known.吸烟的有害影响是众所周知的。
- harmful substances
- 有害物质
- This product contains no harmful substances.该产品不含有害物质。
- harmful bacteria
- 有害细菌
- Wash your hands to remove harmful bacteria.洗手以去除有害细菌。
- harmful chemicals
- 有害化学品
- Avoid exposure to harmful chemicals in the workplace.避免在工作场所接触有害化学品。
- harmful behavior
- 有害行为
学习提示Learner notes
记忆技巧Memory Tip
harm（伤害）加上-ful，记忆：‘harm’就是‘害’，所以‘harmful’是‘有害的’。
语境与语域Context & Register
中性语域，常用于健康警告、环境讨论、产品说明及日常抱怨等场景。
语法说明Grammar Note
harmful 后面常接介词 to。
发音与拼写Pronunciation & Spelling
All words end in '-ful' and share the unstressed /fəl/ ending, but none have the stressed vowel /ɑː/ of 'harmful', so they are not perfect rhymes.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.