retaliaterevenge区别是什么(还有paybackIt'stimeto....

求英文翻译?？
1他把我车胎的气放了所以我放他的气报复他He pulled the plug on my bike's tire, so for payback i want to do the same to him.2老师我生病了 我想请假Ms/Mr I want to make a excuse for that i am ill