1、French officials may be keen on Eurobonds, but dare not speak of them in public.
法國官方也許渴望歐洲債券，但是并不敢在公共場合表現出來。

2、They tend to be keen on volume of effort and overlook efficiency.
他們傾向于在乎努力的量而忽略了效率。

3、be keen on outdoor activities
喜愛戶外活動

4、Tom was saying you might be keen on yoga.
湯姆說你可能愛好瑜伽功。

5、Be keen on learning, good at communicating, courageous in undertaking, and brave in innovating.
樂于學習，善于溝通，敢于承擔，勇于創(chuàng)新。

be keen on翻譯