形容词
1. It is imperative to act now.
现在必须行动起来。
2. He made an imperative gesture.
他做了个命令式的手势。
3. imperative的反义词
3. It's imperative that he (should) not be seen here.
他不应该呆在这儿。
4. It is imperative that every one of us remould his world outlook.
我们每个人都必须改造自己的世界观。
名词
1. Job creation has become an imperative for the government.
创造就业机会成了政府必须做的事。