我小心地以清楚地说出自己想要的东西开始。

I'm careful to start out by saying clearly what I want.

《柯林斯英汉双解大词典》

“我亲自下厨做的，所以要小心点哟！”他开玩笑说。

'I cooked it myself, so be careful!' he joked.

《牛津词典》

小心—你弄乱我的头发了。

Careful—you're messing my hair.

《牛津词典》

I love chemistry now. Be very careful what you say. Have any of you made that statement about hating a subject?

我现在很喜欢化学,所以你们说话的时候,可要小心咯？

麻省理工公开课 - 化学原理课程节选

I think it's a matter of, as a cyclist, being cautious, but also not being afraid.

我想作为一个骑自行车的人，这是自己小心的问题，但是也不必害怕。

我使用自行车 - SpeakingMax英语口语达人

I've been teaching long enough to know that doing derivations in class is equivalent to pouring ice water on the proceedings, so I do this sparingly.

我已经教了这么长时间书,所以我知道在课堂上讲推导,就好像泼冰水一样，所以我在讲这个的时候很小心。

麻省理工公开课 - 固态化学导论课程节选