We have lived in the same house for twenty years.
我們?cè)谕蛔孔永镒×硕炅恕?/p>
I was twenty years old and ready for anything.
我當(dāng)時(shí)二十歲，什么都愿意去做。
Twenty guests are enough, I would have thought.
我覺(jué)得二十位客人就夠了。
There were twenty or so people there.
那兒有差不多二十個(gè)人。
Pick a number from one to twenty.
從一至二十中挑選一個(gè)數(shù)。