/deə(r) ||; dɛr/verb1 [I] (usually in negative sentences 通常用于否定句) dare (to) do sth to have enough courage to do sth 敢；敢于: Nobody dared (to) speak. 没有人敢说话。I daren't ask her to lend me any more money. 我不敢再问她借钱了。We were so frightened that we didn't dare (to) go into the room. 我们怕得不敢走进那个房间。
The negative is dare not (usually daren't /deənt/) or do not/does not (don't/doesn't) dare. In the past tense it is did not (didn't) dare. 否定式为dare not（通常作daren't //deənt/）或do not／does not (don't／doesn't) dare。过去时为did not (didn't) dare。 2 [T] dare sb (to do sth) to ask or tell sb to do sth in order to see if he/she has the courage to do it 激（某人）做（某事）；向（某人）挑战: Can you jump off that wall? Go on, I dare you! 你敢不敢从那墙上跳下来？跳吧，我谅你也不敢！He dared his friend to put a mouse in the teacher's bag. 他问他的朋友敢不敢把一只老鼠放在老师的包里。
don't you dare used for telling sb very strongly not to do sth （用于郑重其事地告诉某人不要做某事）:
Don't you dare tell my parents about this! 千万不要把这事告诉我父母！ how dare you used when you are angry about sth that sb has done （用于对某人的作为表示生气）你竟敢:
How dare you speak to me like that! 你竟敢这样对我说话！ I dare say used when you are saying sth is probable 我敢说；我想；我以为:
‘I think you should accept the offer.’ ‘I dare say you're right.’ “我认为你应该接受这提议。”“我想你说得对。”