idiom
n
1 [C] phrase or sentence whose meaning is not clear from the meaning of its individual words and which must be learnt as a whole unit 习语; 成语; 惯用语, 如 give way, a change of heart, be hard put to it
The English language has many idioms. 英语有很多惯用语.
2 [U]
(a) language or dialect of a people or country某民族或某国家之语言或方言
the French idiom 法语.
(b) use of language that is typical of or natural to speakers of a particular language (操某语言者典型的或自然的)语言用法.
(c) use of language peculiar to a period or an individual (某时期或某人特有的)语言用法
Shakespeare´s idiom 莎士比亚的语言风格.