You can be pretty certain she's not going to like it. 她不会喜欢这个的，这点你可以相当肯定。

We still can't be certain who is going to win. 我们还不能肯定谁会赢。

I've never been more certain of anything in my entire life. 这是我一生中最有把握的事。

You don't seem too certain about it. 你看来对此并没有多大把握。

I think I met her in 1985, but I can't say for certain. 我想我是在1985年见到她的，但不敢肯定。

Are you sure these figures are right? 你确信这些数据是正确的吗？

I was sure that I had left my keys on the counter. 我敢肯定我把钥匙忘在柜台上了。

If you're really sure about the facts, we'll publish them. 如果你真的能肯定这些情况属实，我们就把它们刊登出来。

No one is really sure why he resigned. 没有人能真正确定他辞职的原因。

I'm pretty sure the pool is open until 6.00. 我很肯定游泳池一直开放到 6 点。

We'd met before – I was positive about that. 我们以前见过面，我确定。

We'll make money from this deal – I'm positive of that. 我们会从这笔交易中赚到钱的，对此我有把握。

There's a definite link between smoking and some types of cancer. 吸烟和某些种类的癌症肯定有联系。

We are confident that the show will open on Thursday. 我们对展览将于星期四开幕很有把握。

You can go out, confident in the knowledge that your house is safe. 你可以出去，只要确保房子安全。

I am not completely convinced he understood the gravity of the situation. 我不完全确信他理解情况的严重性。

Millions of Filipinos remain convinced of her innocence. 数以百万计的菲律宾人仍然确信她是无辜的。