1.good指人的品行好,或事物的质地好,也常用来向别人问好.
Miss Gao is a good teacher. （人好）
Your picture is very good. （物好）
Good morng. （问好）
2、nice 指人或物的外观、相貌好,“美好的”、“美妙的”、“漂亮的”.
Lucy looks nice. （人的相貌好）
The flowers are very nice. （物的外观好）
Nice to meet you.
3、well 做形容词时,指人的身体好,健康好
— How is your father? — He's very well.
well 常做副词,修饰动词用.
He speaks English well.