be careful in 与 be careful with有什么区别么?
3个回答

1.be careful + about/of+ 名词 注意...的

eg.She is careful about/of her food.

=She is careful about/of what she eats.

她很注意饮食.(后面界wh- 从句时,多省略介词)

2.be careful + with + 名词 注意处理...

eg.Be careful with the vase; it's valuable.

那花瓶很贵,要小心处理.

此外,还有be caregul (not)to do/that... 通常与否定的内容连用

eg.Be careful not to be late.

=Be careful (that) you don't be late.

小心不要迟到.

(that从句不使用将来时)