Definition
To persistently bother or harass someone, not giving them peace.
（粗俗）缠着某人不放
My boss has been on my ass ever since I started handing in my reports late.
自从我开始迟交报告后，我的老板就一直对我紧迫盯人。
That annoying salesman was on my ass trying to get me to buy his product.
那个烦人的推销员一直缠着我，想让我买他的产品。
The building manager has been on my ass ever since I moved in.
自从我搬进来后，大楼管理员就一直对我紧迫盯人。