In learning English, one should be bold to talk in the language with his friends.

在学习英语时，应当大胆地用英语和同学交谈。

Another bold explorer. I know that you have to be bold to wear an outfit like that in public. Cheers!

又一个勇敢的探险者。我知道要在公众场合穿成那样可是需要勇气的。希望你玩的高兴！

We should be bold to accept high-tech, some truly scientific and technological achievements for our own use.

我们应当大胆的去接受高科技，让一些科技成果真正为我们所用。

We may be bold to say that all the intelligence and knowledge we learned are ready for the grand larcenist's stealing.

我们更可以大胆的说，这世间的所有智慧、知识都是在为大盗储蓄财富。

Given these other factors and the limited usefulness of a higher currency it would be bold to bet on another big revaluation.

考虑到这些因素，以及货币升值的有限益处，押注人民币的再次大幅升值，将是一种冒失的做法。