I wasn't too keen on physics and chemistry.

我对物理和化学并不太热衷。

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。

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。

I'm not keen on spicy food.

我不喜欢加有香料的食物。

You're not keen on going, are you?

你不是很想走，对吗？