用英语单词careful 造句

Question

请在造完句之后将句意写下来，可别太难哦~~谢谢拉~~`

Answer 1

Be careful when crossing the road.
过马路时应该小心~~

Answer 2

John was careful not to say anything about this to her.
约翰小心翼翼,避免向她提及此事。

Answer 3

don't horry,be careful
别急,小心点

Answer 4

We must be careful with fire.
我们一定要小心用火。