-(有胆量做某事)dare;venture:
daretothink,daretospeakanddaretoact;敢想、敢说、敢干
Howdaredtheydosuchathing?他们怎么敢做出这样的事?
-(有把握做某种判断)havetheconfidenceto;becertain;besure:
I'mnotsurejustwhatdayhewillleave.我不敢说他究竟哪一天去。
-(谦辞,表示冒昧地请求别人)makebold;venture:
Iventuretoask;MayIventuretoask敢请