He joined the force twenty years ago.

　　他二十年前加入了警隊。

　　The factory fell into disuse twenty years ago.

　　這個工廠二十年前就廢棄了。

　　I was twenty years old and ready for anything.

　　我當時二十歲，什么都愿意去做。

　　It's twenty years since I've seen her.

　　我已經二十年沒見她了。

　　She kept a diary for over twenty years.

　　她記了二十多年的日記。

　　There were fewer than twenty people there.

　　那里有不到二十個人。

　　Twenty guests are enough, I would have thought.

　　我覺得二十位客人就夠了。

　　At last, after twenty hours on the boat, they arrived at their destination.

　　乘船二十小時之后，他們終于到達了目的地。

　　The company publishes twenty new titles a year.

　　這家公司一年出版二十種新書。

　　At that instant, the rear doors of a panel truck some twenty yards away flew open.

　　那時，大約二十碼外的一輛小型貨車后門突然敞開。

　　He finally won his freedom after twenty years in jail.

　　他蹲了二十年監獄以后終于獲得了自由。

　　At least six people were killed and about twenty injured when a train was derailed in an isolated mountain region.

　　火車在一片偏僻的山區脫軌，導致至少六人死亡，約二十人受傷。

　　Could you run off twenty copies of the agenda?

　　你給我復印二十份會議議程好嗎？

　　The agent spied for East Germany for more than twenty years.

　　該特工為東德從事了二十多年的間諜活動。

　　We've been here twenty years, near enough.

　　我們在這里待了差不多二十年了。

　　Dave and I go back twenty years.

　　我和戴夫相識有二十年了。

　　I'd been waiting for twenty minutes and I was getting impatient.

　　我等了二十分鐘，有點不耐煩了。