You should be cautious when getting involved and test the water before committing yourself.

当你涉足其中时你应该小心谨慎，在表态之前要先行试探。

You're right to be cautious.

你谨慎是应当的。

The Italian has done everything his senior coach has done, and he tends to be cautious when playing away from home.

这位意大利人所做的都是他的前辈教练已经做过的事，在客场做战时都倾向于谨慎。

Teenagers should be cautious about the content on social networking sites, for their tastes and preferences are shaped by what they see in the media.

青少年应该谨慎对待社交网站上的内容，因为他们的品味和喜好总是受到他们在媒体上看到的东西的影响。

We must be cautious, however.

然而，我们必须小心谨慎。