careful形容词,修饰名词例如: You should be more careful with your money.你花钱要慎重一些。carefully副词,修饰动词 例如 Here, we must think carefully. 在这个问题上,我们必须仔细思考前者形容词,修饰名词。一般在名词前,be动词后。e.g.:You should be careful. The doctor gave him a careful examination.(此例句选自谷歌字典)后者副词,修饰动词和形容词。(但carefully好像一般不修饰形容词~)e.g.:Now listen carefully everybody.(此例句选自谷歌字典)Hope it helped you.小心的:adv:adjcareful;carefully. 仔细的