含義不同，be careful of表示“當(dāng)心”、“留意”等意思；be careful with表示做某事時(shí)很小心或仔細(xì)的意思。careful的基本意思是“仔細(xì)的”、“小心的”，含有靠認(rèn)真實(shí)踐來(lái)避免錯(cuò)誤的意味。

be careful of和with的區(qū)別

be careful of造句

Be careful of the dog，it sometimes bites people。當(dāng)心那條狗，它有時(shí)候會(huì)咬人。

Be careful of that sinister man，He is dangerous。留意那個(gè)陰險(xiǎn)的人，他很危險(xiǎn)。

You must be careful of your health。你一定要注意你的健康。

be careful with造句

1、We have to be careful with fire.

2、be careful with the underlined parts.

3、Do be careful with this feature, however.

4、Always be careful with shell expansion and variable names.

5、Please be careful with the glass lamp, it's very delicate.

6、Do be careful with the experiment you're doing.

7、I told him that was my job, to be careful with descriptions.

8、Some heavily styled navigation items may look like banners, so be careful with these elements.