need to do sth used when saying that someone should do something or has to do something必须做某事:•He needs to see a doctor straightaway.他必须马上去看医生。•I need to catch up on my office work.我必须赶赶我的办公室工作了。•You need to let me know by Monday if you want to take part.你得在星期一之前告诉我你想不想参加。 |