If he can't help, there's always John.
如果他帮不上忙，总还有约翰呢。
John was present at the birth of both his children.
约翰的两个孩子出生时他均在场。
The money's not yours, it's John's.
这钱不是你的`，是约翰的。
There's never a dull moment when John's around.
只要约翰在就不会有沉闷的时候。
I like John but I don't find him attractive physically.
我喜欢约翰，不过我认为他长得并不英俊。