定义
(I am) keen to (improve my English!): （我）渴望（提高我的英语水平！）
I'm not too keen on going to this party. 我不太想参加这个聚会。
I'm not too keen (on the idea)!: 我不太热衷于（这个想法）！
to be keen on (animals): 对（动物）很热心
- "He's keen to get home."
- "Susie : Look, we haven't agreed to anything yet and I'm not too keen on telephone negotiations."
- "I have recently reviewed all of Luke's files, and I am now keen to meet face-to-face with all of my key customers."
- "We're not keen on sharing our name with someone else."
- "Gosh, you're keen."
