GbEng
你应该在课堂上完成语法练习。 You should finish your English grammar drills in the class.
我要不时地再给你们介绍一些成语。 I'll give you some more idioms from time to time.
成语的类似成语的或具有成语性质的 Resembling or having the nature of an idiom.
成语通常不能照字面译成另一种语言。 Idioms usually cannot be translated literally in another language.