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1·Be careful—the plates are hot.

当心—盘子烫手。《牛津词典》

2·Be careful—it has a sharp edge.

小心点—这刀刃很锋利。《牛津词典》

3·'Be careful!' he yelled.

他大叫道：“当心！”《牛津词典》

4·Be careful of the nettles—they sting!

小心给荨麻扎着—荨麻有刺！《牛津词典》

5·Be careful. The paint hasn't dried yet.

小心点。油漆还没有干。《牛津词典》

6·Be careful you don't trip up on the step.

你小心别在台阶上绊倒了。《牛津词典》

7·You must be careful when handling chemicals.

接触化学药品必须小心谨慎。《牛津词典》

8·Be careful, you're dripping paint everywhere!

小心点，你把颜料滴得到处都是。《牛津词典》

9·Be careful what you say—he's easily provoked.

说话要小心，他这个人一惹就火儿。《牛津词典》

10·Be careful with that —it cost a lot of money.

小心别弄坏那东西，它可值钱了。《牛津词典》