1·The University of Tennessee's Walters Life Sciences building, is a model animal facility, spotlessly clean, careful in obtaining prior approval for experiments from an animal care committee.
田纳西大学的沃尔特斯生命科学大楼，一尘不染，是一座典型的动物实验楼，在获得动物委员会对实验的事先批准方面十分谨慎。
2·I asked her to be more careful in the future.
我叫她将来更仔细一些。
—— 《柯林斯英汉双解大词典》
3·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》
4·Universities need to be extremely careful in describing what's going to happen to students.
大学需要非常小心地描述将会发生在学生身上的事。
5·We're new in East Asia, so we have to be careful in choosing the location for our regional office.
我们刚刚来到东亚，所以必须小心谨慎地选择区域办事处的地点。
6·Be careful in all things.
凡事要小心。
—— 《新英汉大辞典》
7·One cannot be too careful in guarding Party and state secrets.
保守党和国家的机密，慎之又慎。
—— 《新英汉大辞典》
8·The fellow is as sharp as a razor. Be careful in your dealings with him.
这家伙厉害得很， 你和他打交道时要特别小心。
—— 《新英汉大辞典》
9·He is careful in his speech.
他说话谨慎。
10·I must be very careful in my work.
在工作的时候，我必须非常细心。