e keen on
vt.渴望(喜爱,爱好)
some more examples:
1:Be lost in; be keen on
耽于;沉迷;热中于
2:to be keen on gaining petty advantages
贪小便宜;占好处
3：So you must be keen on pop music.
那么你一定喜欢流行音乐了.
4：In this way we shall be keen on practising economy,instead of trying to start too many undertakings at once.
这样也就会热心于节约,而不热心于百废俱兴.
