其实也没多大的区别 平时可以互换

　　be careful doing=be careful todo 小心 对什么谨慎 注意 表示注意自己健康等的方面知 注意做到什么

　　be careful with=be careful in 嘱咐别人道小心做事 是要注意别让某东西毁坏 或者让某物或某事伤害到自己

　　但是Be careful of强调对...认真,细心,小心（比较褒义）

　　be careful of …版

　　注意,小心.后接名词权,动名词或从句.

　　Please be careful of your spelling.

　　Be careful of what they have said.

　　be careful with…

　　小心……嘱咐别人小心做事, 我们可以用上“Be careful with...”,“with”后接名词或动名词.也可以说“Be careful (not) to do...”或“Be careful that you don’t...”.

　　Be careful with the wet paint.

　　小心,油漆未干.

becarefuldoing和becarefultodo的区别 扩展资料

be careful 可以跟不定式 和从句：

 be careful to do sth ，be careful 加名词性从句
 还有 be careful with 和 be careful for， be careful in doing ,be careful about sth, be careful of sth 

并没有be careful doing的用法

1.be careful：小心点，让对方多加留意，谨慎小心

1，be careful with.../be careful not to do sth

2.be carefully不是固定搭配，后面还应该接动词的过去分词,表示"被小心/仔细地..."

如:

This task should be carefully finished.

3.take care保重/小心,留神,注意,一般单用

4.look/watchout(for...)小心/留神/注意...如:

Please look/watch out for this dog.