星级典句：

第一句：That's my conviction.
我确信如此。

A: Do you think my ankle will be better by Sunday, doctor?
医生，您以为我的脚踝星期日之前会好些吗？
B: I suppose so.
我想会的。
A: Are you quite sure?
您确定吗？
B: That's my conviction.
我确信如此。

第二句：I have no doubt about it.
毫无疑问。

A: Do you think Mr. Green will quit his present job?
你认为格林先生会辞掉目前的工作吗？
B: Yes, I have no doubt about it. He complained abou the low pay more than once.
是的，毫无疑问。他已经不止一次地抱怨工资太低了。

表示确信别人所说的话的表达法还有：

I can easily believe is. 我容易相信这种说法。

I think it's believable. 我认为那是可信的。

I'm a hundred percent certain. 我百分之百相信。

I'll take your word for it. 我相信你的话。