”pay off”能做不及物动词么？作抽象的意义时，请用它举几个例子

pay off可以做不及物动词。
它的基本含义是：“还清(债务等)，付清”，抽象含义是“成功；获得回报”，如：

Did your plan pay off?
你的计划成功了吗？

Our plan certainly paid off; it was a great idea.
"我们的计划当然成功了,那是个很好的主意。"

All my effort paid off in the end.
最后，我所有的努力都获得了回报。

v.tr.（及物动词）
To give money to in return for goods or services rendered:
支付，付款：因所提供的服务或商品而付给钱：
pay the cashier.
向出纳员付款
To give (money) in exchange for goods or services:
花费，偿付：为商品或服务而支付（钱）：
paid three dollars for a hamburger; paid an hourly wage.
花三美元买了一个汉堡包；支付一小时的工酬
To discharge or settle (a debt or an obligation):
偿还，还清：偿付或结清（债务或责任）：
paying taxes; paid the bill.
交纳税款；付帐单
To give recompense for; requite:
回报：给予报酬；报答：
a kindness that cannot be paid back.
无法报答的和善
To give recompense to; reward or punish:
以牙还牙，回报：给予报偿；报复或惩罚：
I'll pay him back for his insults.
对他的侮辱我要报复
To bear (a cost or penalty, for ex