adj. 厉害的,强烈的;敏锐的,敏捷的;锐利的;热心的;热切的;热衷于;渴望;热切;热情的;热心的;喜爱;(对…)着迷,有兴趣
vi. (为死者)恸哭,哀号;
n. 〈英〉号哭,恸哭;
例句:
This man is keen and quick in his work.
这人手勤脚快.
She is very keen on sport.
她对体育活动兴头很大.
Mary is very keen on etching.
玛丽很喜爱蚀刻艺术.