34) be good(bad) for、be good at的相關用法

　　1.be good for 對......有益

　　Doing morning exercises is good for your health.

　　做早操對你們的建康有益。

　　2.be good at 擅長于......

　　Li Ping is good at basketball.　　　李平擅長于籃球。

　　= Li Ping is good at playing basketball.　　　李平擅長于打籃球。

　　be good at = do well in 如：

　　Im good at math. = I do well in math.　　　我擅長于數學。

　　3.be good to 對......好

　　Parents are always good to their children.

　　父母親總是對他們的孩子好。