1keen (to do sth/that...) very interested in sth; wanting to do sth 热心的:
They are both keen gardeners.他们两人都很热衷于园艺。I failed the first time but I'm keen to try again.我头一次失败了,可是我很想再试一次。She was keen that we should all be there.她很希望我们都去那里。
2 (used about one of the senses, a feeling, etc) good or strong (指官能、感觉等)敏锐的,灵敏的:
Foxes have a keen sense of smell.狐狸的嗅觉很灵敏。
keen on sb/sth very interested in or having a strong desire for sb/sth 很喜爱;热衷于:
He's very keen on jazz.他很喜欢爵士乐。 ➔keenlyadv➔keennessnoun [U]