idiom
noun uk/ˈɪd.i.əm/ us/ˈɪd.i.əm/
B2 [ C ]习语，成语，惯用语
a group of words in a fixed order that have a particular meaning that is different from the meanings of each word on its own
To "have bitten off more than you can chew" is an idiom that means you have tried to do something which is too difficult for you. have bitten off more than you can chew 是一句习语，意思是试图承担力所不及的事。
[ C or U ] formal（某一时期、个人或群体在写作、言语、音乐方面的）典型表达风格
the style of expression in writing, speech, or music that is typical of a particular period, person, or group
Both operas are very much in the modern idiom. 两部歌剧都很有现代风格。
- More examples
- He used a very obscure idiom which I can't quite bring to mind.
- I wasn't familiar with the idiom so I had to guess what he meant.