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1·I wasn't too keen on physics and chemistry.

我对物理和化学并不太热衷。《柯林斯英汉双解大词典》

2·As well as the goals and projects which we love, most of us have a few commitments that we're not so keen on.

除了我们喜欢的目标和项目，我们大多数人都有一些我们不太热衷做的事。

3·They always find a new angle, a different part to be keen on especially this class. I think they are really keen on it.

他们总能找一个全新的角度，热衷于这个班级的一个不同的角度。我认为他们对它很有热情。

4·I'm not keen on spicy food.

我不喜欢加有香料的食物。《牛津词典》

5·You're not keen on going, are you?

你不是很想走，对吗？《柯林斯英汉双解大词典》

6·He's mad keen on planes.

他对飞机十分着迷。《牛津词典》

7·She's not keen on being told what to do.

她不喜欢别人向她发号施令。《牛津词典》

8·I wasn't too keen on going to the party.

我不太想去参加这次聚会。《牛津词典》

9·She wasn't keen on the idea to start with.

她一开始并不喜欢这个主意。《牛津词典》

10·My friend Claude from France is keen on Chinese culture.

我的法国朋友克劳德对中国文化很感兴趣。

热衷于

1·It's a pity that few students nowadays are keen on reading classics which I think are really worth reading.

遗憾的是现在很少有学生热衷于阅读经典著作， 我认为它们真的值得一读。

2·Africans are now just as keen on Asian medicine: artemisinin, a highly effective malaria remedy derived from a Chinese shrub.

非洲人现在同样热衷于亚洲药物：青蒿素，一种从中国灌木中提取的、非常有效的治疗疟疾的药物。

3·Analysts point to two other listed companies in the tomato business as options for investors keen on the sector — although neither is as pure a tomato play as Tunhe.

分析人士还为热衷于番茄产业的投资者推荐了其他两家上市公司，虽然这两家公司都不像中粮屯河一样只从事番茄业务。

4·But Mr Brown was never that keen on mixing markets with health care. Since he became prime minister, the bolder measures have petered out.

但是布朗从来不热衷于将市场与卫生保健混合，自从他出任首相后，较大胆的政策逐渐减少。

5·The reformers were to prove less keen on murdering their rivals than was the Roman church, but not much more tolerant.

改革家们很快就会证明他们并不会比罗马教堂更热衷于谋杀竞争对手，却也并不会有更多容忍力。

喜爱

1·He's very keen on her but she's always brushing him off.

他非常喜爱她，但她总是不理睬他。

2·Young people all over the world are keen on football.

全世界的年轻人都喜爱足球。

3·My son is keen on table tennis.

我的儿子喜爱乒乓球。

4·Are you keen on pop music?

你喜爱流行音乐吗？