英语高手来造句be keen on sth be keen on gong sth

1.a keen musical sense
敏锐的音乐感
2.We are not too keen on complicated mechanism.
我们对复杂的机械装置不太感兴趣.
3.We await your telegraphic reply with keen interest.
急切盼你方电复.
4.We are not too keen on complicated mechanism.
我们对复杂的机械装置不太感兴趣.
5.We must maintain keen vigilance at all times.
任何时候我们都要保持高度的警惕.
6.Her novel shows her keen insight into human character.
她的小说显示出她对人性的敏锐洞察力.
7.I am not very keen on travelling by air.
我不很喜欢乘飞机旅行.
8.Peter is a keen footballer in his spare time.
彼得在业余时间里很喜欢踢足球.
9.producing a physical sensation of cutting or piercing; keen
刺骨的；凛冽的；剧烈的
10.She showed a keen interest in the new research.
她对于新的研究表现出浓厚的兴趣.

就是热衷的意思.on sth or on doing sth.,你可能打错了
I'm keen on cartoons. I'm keen on yoge.