A:You failed the test?
你考不及格?
B;Serves you right for not studying!
活该,谁叫你没读书!
You had it coming!
活该!
A;I gained weight!
我体重增加了.
B;Well,you had it coming,because you've been eating so much without exercising.
活该,你最近吃太多又没有运动.
注:虽然serve也是服侍的意思,但在这里可以看作是deserve,"应得"的意思,所以本句等同“you deserve it"