两者区别:be careful with表示做某事时很小心、仔细或对某人某物很关心。with后接名词或动名词,be careful of意思是当心;留意;注意,后接名词、动名词或从句,形容人很细心。

be careful with和be careful of的区别

be careful with造句:You are careful with my cat。你对我的猫很关心。We've got to be careful with everything we do。我们做任何事都要仔细。Be careful with that knife.It's got a keen edge。小心那把刀子,他有锐利的锋刃。

be careful with和be careful of的区别

be careful of造句:Be careful of the dog,it sometimes bites people。当心那条狗,它有时候会咬人。Be careful of that sinister man,He is dangerous。留意那个阴险的人,他很危险。You must be careful of your health。你一定要注意你的健康。