It is the key to everything.

　　它是通向所有一切的`鑰匙。

　　I don't know the key to the exercise.

　　我不知道練習的答案。

　　I'm interested in swimming.

　　我對游泳感興趣。

　　How about playing basketball on Saturday afternoon?

　　星期六下午去打籃球怎么樣?

　　I warned her against driving fast.

　　我警告她不要開快車。

　　Jim dislikes eating chocolate

　　吉姆不喜歡吃巧克力