If he weren't so famous, he wouldn't treat others like that.
如果他不是這么有名,他也不會那樣對待別人。
I'd like to change this ticket to the first class.
我想把這張票換成頭等車。
When we use a phrase like 'it serves him right', we are, in part, admitting that a certain set of circumstances has enabled justice to act of its own accord.