| 释义 |
without doubt肯定；确定；无疑- I can't say for certain when we'll arrive.我说不准我们什么时候能到。
- I don't know for certain how many people are coming.我不确定到底有多少人会来。
- I think she's a teacher, but I couldn't say for certain.我想她是位老师，但不能肯定。
- I couldn't say for certain whether she'll be there.我不能肯定地说她是否会在那里。
Express Yourself Expressing certainty or uncertaintyExpressing certainty or uncertainty表示确定或不确定When you are stating what has happened or is going to happen, you can say how certain or uncertain you are about what you are saying:陈述已经或将要发生之事时对自己所言表示确定或不确定：- I'm sure/100% certain/absolutely positive I left my keys on the table.我肯定我把钥匙落在桌子上了。
- There's no doubt in my mind that this is the best option.我心里确信无疑，这是最佳选择。
- Without a doubt,/No question, this is where it was.毫无疑问，它原来就在这里。
- I'm not (at all) sure what time they arrive, to be honest.老实说，我（一点也）拿不准他们什么时候到。
- I rather doubt they'll call back.我有点儿怀疑他们是否会回电话。
(British English)
See also certain |