be careful about用英文怎么说

"be careful about" 的英文表达是 "be cautious about"，意思是"小心/谨慎/慎重"。这个短语的来源是由 "be" 和 "careful" 两个单词组合而成，"be" 是助动词，表示状态，"careful" 是形容词，表示"小心"。

例句:

Be careful about what you say in pubpc.
(在公共场合中小心你说的话)
I have to be careful about my spending.
(我必须谨慎消费)
You should be cautious about investing all your money in one stock.
(你应该谨慎投资你所有的钱在一个股票上)