I am twenty years old
二十岁───twenty years old;我───I
I was twenty years old and ready for anything.───我当时二十岁，什么都愿意去做。
He is well over twenty years old.───他二十好几了。
He is twenty years old.───他二十了。
Zedekiah was one and twenty years old when he began to reign, and he reigned eleven years in Jerusalem.───西底家登基的时候年二十一岁，在耶路撒冷作王十一年。
Sedecias was one and twenty years old when he began to reign: and he reigned eleven years in Jerusalem.───漆德克雅登极时年二十一岁，在耶路撒冷为王凡十一年。
From twenty years old and upward, all that are able to go forth to war in Israel: thou and Aaron shall number them by their armies.───凡以色列中，从二十岁以外，能出去打仗的，你和亚伦要照他们的军队数点。
Twenty years old and half a world away from home, I looked forward to mail call the way junkies craved their next fix.
They are all about twenty years old, serious, smart, a bit conventional perhaps, but uniformly pleasant.
Our editorial secretary Sue has three goldfish in her two foot bank, one of which is at least twenty years old.
Poor man, he is only twenty years old, but owing to illness he is as bald as a coot.
Harrison completed his first pendulum clock in 1713, before he was twenty years old.