例句：
The blind have a keen touch.
盲人有敏锐的'触觉。
Is that something you're keen on?
这是你所热衷的事情吗？
Many area residents are keen bicyclists.
许多当地居民都热衷于骑自行车。
I can take care of your kind.
我能对付你这类人。
I've caught some kind of lurgy.
我有点小病。
He's in some kind of trouble.
他遇到了什么麻烦。
She usually does klutzy things when no one else is looking.
在没人看着的时候，她通常做事都是笨手笨脚的。
I am really klutzy on the dance floor. It's like I have two left feet and no rhythm.
我今天跳舞时可笨了，两只脚好像都是左脚一样，而且一点儿节奏感也没有。
She is very knowledgeable about plants.
她对植物很在行。
Any knowledgeable wine merchant would be able to advise you.
任何一位内行的葡萄酒商人都能为你提出建议。
The lecturers are very knowledgeable and I learn a lot from them.
讲师们知识非常渊博，我从他们身上学到了很多。
That man is really kooky.
那个人真怪。
I'm a little kooky.
我就像一个小丑。
That man is really kooky. He has fifty-three cats!
那个人真怪，他养了五十三只猫！