big bucks

• 1. 

  N-PLURAL If someone earns or spends big bucks, they earn or spend a lot of money. 一大笔钱 [美国英语] [非正式]

  例：

  Plastic pipe is easy to install, and doing it yourself saves big bucks.

  塑料管易于安装，你自己装的话会省下一大笔钱。