1520s, from Late Latin imperativus "pertaining to a command," from imperatus "commanded," past participle of imperare "to command, to requisition," from assimilated form of in- "into, in" (see in- (2)) + parare "prepare" (see pare).
imperative (n.)
mid-15c., in grammar; later "something imperative" (c. 1600), from Old French imperatif and directly from Late Latin imperativus (see imperative (adj.)).
实用例句
1. It was imperative that he act as naturally as possible.
最重要的是他要做到尽可能自然。
来自柯林斯例句
2. It is absolutely imperative that we finish by next week.
我们的当务之急是必须于下周完成。
来自《权威词典》
3. Job creation has become an imperative for the government.
创造就业机会是政府必须做的事.
来自《简明英汉词典》
4. He always speaks in an imperative tone of voice.
他老是用命令的口吻讲话.
来自《简明英汉词典》
5. The imperative mood is a kind of grammatical phenomenon.
