例句：

　　The blind have a keen touch.

　　盲人有敏銳的觸覺。

　　Is that something you're keen on?

　　這是你所熱衷的事情嗎？

　　Many area residents are keen bicyclists.

　　許多當地居民都熱衷于騎自行車。

　　I can take care of your kind.

　　我能對付你這類人。

　　I've caught some kind of lurgy.

　　我有點小病。

　　He's in some kind of trouble.

　　他遇到了什么麻煩。

　　She usually does klutzy things when no one else is looking.

　　在沒人看著的時候，她通常做事都是笨手笨腳的。

　　I am really klutzy on the dance floor. It's like I have two left feet and no rhythm.

　　我今天跳舞時可笨了，兩只腳好像都是左腳一樣，而且一點兒節奏感也沒有。

　　She is very knowledgeable about plants.

　　她對植物很在行。

　　Any knowledgeable wine merchant would be able to advise you.

　　任何一位內行的葡萄酒商人都能為你提出建議。

　　The lecturers are very knowledgeable and I learn a lot from them.

　　講師們知識非常淵博，我從他們身上學到了很多。

　　That man is really kooky.

　　那個人真怪。

　　I'm a little kooky.

　　我就像一個小丑。

　　That man is really kooky. He has fifty-three cats!

　　那個人真怪，他養了五十三只貓！