careful英文怎么说

"careful" 是英语中的一个形容词，意思是"小心的，谨慎的"。这个词来自于古英语中的"carful"，其本意是"充满关怀的"。

例句：

Be careful when crossing the street. (过马路时要小心。)
She is always careful about what she eats. (她总是对吃的东西很小心。)
He gave a careful explanation of the situation. (他对这种情况做了详细的解释。)