1·Be careful of the nettles—they sting!
小心给荨麻扎着—荨麻有刺！
—— 《牛津词典》
2·They had to be careful of floating chunks of ice.
他们不得不小心漂浮着的厚冰块。
—— 《柯林斯英汉双解大词典》
3·Because a lot of people had told me to be careful of thieves in the park, I didn't usually take anything with me.
因为很多人告诉我在公园里要小心小偷，所以我通常不带任何东西。
4·Be careful of fallen power lines.
小心倒下的电线。
5·Be careful of your actions.
留意你的行为。
6·He's a bad egg. Be careful of him.
他是个坏蛋。要小心他。
7·Be careful of the flu.
小心染上流行性感冒。
8·Heidi promised to be careful of them, and was lifted up to the cart.
海蒂答应会小心对待它们的，于是她被抱上了车。
9·Be careful of people who may make you feel bad or unhappy about yourself.
小心那些可能让你对自己感觉不好或不开心的人。
10·Our teachers and parents will be careful of us because we have grown up and can be responsible for ourselves.
我们的老师和父母也会关心我们，因为我们已经长大了，可以对自己负责了。