不及物动词 vi.
1.变成,成为;变得,开始变得[L]
Phil became acquainted with them.
菲尔和他们熟识起来。
It seems that he has become very fond of the boy.
似乎他变得十分喜爱这男孩。
She became a famous writer.
她成了有名的作家。
及物动词 vt.
1.适合;同...相称
This color becomes you.
这颜色适合你。
要分辨become是用作及物动词还是不及物动词时,要看它后面是不是直接加宾语,一般情况下,不及物动词要和介词一起使用,后面加宾语;而及物动词后面直接加宾语。
参考资料:http://dict.baidu.com/s?wd=become