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.
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了,他知道他有生命危险。
So, celebrate your success, and invite your parents to celebrate with you, however hard it may be for them. If you continue to be excited about your future, you may come to educate your parents in the same way.