She is a good player ,but I'm a bad boy是什么意思呀？

不是要翻译哈，我就是不明白是什么意思?
有深刻含义么？

Mum, is Rose,my good friend. A this B she She is a good teacher, ____loved by her students. She thinks she is smart because she has a good quality of self-confidence. She is good at jumping. He think she is a good girl.的否定式是什么 Linda can swim very fast. She is a good swimmer .为什么swim要双写m再加er? She is busy preparing a dinner for some good friends of hers. how is a good teacher lucy is a good banana 改错:1.She is really a quite good girl.2.I have important something yo tell you.