have a hunch on that意思是: 对....有预感。
例句：
I have a hunce on that ,I 'll never see the money again.
我有预感，我的钱拿不回来了。
Hey man ,why did you bet all the money on the horse ?I had a hunch on that .
你为什么把你所有钱全赌那匹马？ 我有预感它肯定会赢。
I had worked on this job for ten years and I have a hunch that we workers were getting pooper.
我干这行已10年了。我总有一种预感：我们这些工人是越来越穷。