Be careful in choosing a college.

选择大学要慎重。

Be careful in money matters.

在钱方面要特别小心。

It pays to be careful in your work.

你在工作中细心是不会吃亏的.

You must be careful in this wea ther.

在这种天气里，你得小心点儿。

One has to be careful in watching the vines.

在照看葡萄时，要很注意。

Motivate employees to be careful in the operation.

促使员工在操作上小心谨慎。

The government must be careful in its exercise of power.

当局在利用其权利时必须鉴戒审慎。

You have to be careful in this dog - eat - dog world.

在这狗咬狗的世界里,你必须要小心一点.

Now you dawdle, be careful in the future a mixed day you.

你现在混日子, 小心将来日子混了你.

BE careful in reading G. B. Shaw. He often had his tongue in his cheek.

读肖伯纳的作品时得注意，他的文章经常话里有话。