He joined the force twenty years ago.
他二十年前加入了警队。
The factory fell into disuse twenty years ago.
这个工厂二十年前就废弃了。
I was twenty years old and ready for anything.
我当时二十岁，什么都愿意去做。
It's twenty years since I've seen her.
我已经二十年没见她了。
She kept a diary for over twenty years.
她记了二十多年的.日记。
There were fewer than twenty people there.
那里有不到二十个人。
Twenty guests are enough, I would have thought.
我觉得二十位客人就够了。
At last, after twenty hours on the boat, they arrived at their destination.
乘船二十小时之后，他们终于到达了目的地。
The company publishes twenty new titles a year.
这家公司一年出版二十种新书。
At that instant, the rear doors of a panel truck some twenty yards away flew open.
那时，大约二十码外的一辆小型货车后门突然敞开。
He finally won his freedom after twenty years in jail.
他蹲了二十年监狱以后终于获得了自由。
At least six people were killed and about twenty injured when a train was derailed in an isolated mountain region.
火车在一片偏僻的山区脱轨，导致至少六人死亡，约二十人受伤。
Could you run off twenty copies of the agenda?
你给我复印二十份会议议程好吗？
The agent spied for East Germany for more than twenty years.
该特工为东德从事了二十多年的间谍活动。
We've been here twenty years, near enough.
我们在这里待了差不多二十年了。
Dave and I go back twenty years.
我和戴夫相识有二十年了。
I'd been waiting for twenty minutes and I was getting impatient.
我等了二十分钟，有点不耐烦了。