I made a silent vow to be more careful in the future.

我默默发誓今后要更加小心。

《柯林斯英汉双解大词典》

He wants to be more careful.

他应多加小心。

《牛津词典》

From now on I'll be more careful.

从今以后，我会更加细心。

《牛津词典》

Another is that more people are careful to stay away from waters where sharks swim.

VOA: special.2009.06.16

And I want to spend a couple of minutes again reinforcing that. So if we look at that code and we were little more careful about this, what did we say to do? We said look an sorry.

内容了，我还要花几分钟,来强化下，所以,如果我们再仔细些看下代码，我们应该关注些什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

You have to be more careful.

你要格外小心。

是市民的朋友 - SpeakingMax英语口语达人

But a more careful parsing of credit titles shows that not all producers are created equal.

FORBES: Not All Producers Are Created Equal

Myrtle admitted falling a lot and that she just has to be more careful now.

FORBES: When Do We Become "Old"?

And maybe he can teach us to be more careful of people like him.

FORBES: Andrew Breitbart Wielded The Internet Like a Shotgun