她对自己搬到国外的决定确信无疑。

She is sure about her decision to move abroad.

吸烟有害健康是确信无疑的。

It's certain that somking is harmful to health.

你是说他必定会输，确信无疑了？

You mean he'll lose, as sure as eggs is eggs?

但是有一点你可以确信无疑，即你将有缘见识你所注定要学的知识和经验；

The only thing you can count on for certain is that you will be presented with all the lessons that you specifically need to learn;

但是有一点你可以确信无疑，即你将有缘见识你所注定要学的知识和检验；

The only thing you can count on for certain is that you will be presented with all the lessons that you specifically need to learn ;

您一定要用使他们能够确信无疑的措词。

You must assert that in such words as will carry conviction with them.

衣服可以不同——是的，我们对此确信无疑。

The difference in dress - yes, this we know for sure.

他因确信无疑而放弃自由, 因被人所左右而失去自主.

Chained by his certitude, he is a slave; he has forfeited his freedom.

到那儿一定会找得到他，这一点她确信无疑。地点是天鹅闸巷的黄金酒店。

There he was to be found, she was sure of it, at the Bar of Gold, in Upper Swandam Lane.

他似乎对自己的论点确信无疑，但是我故意跟他唱对台戏把他搞糊涂。

He seemed very sure of his arguments but I played the devil's advocate just to confuse him.