a kick in the teeth 极度的失望，沉重的打击，重大的挫折

1. Chances are pretty good (that)... 很有可能......，后面表述原因

例句：

Alone on Instagram? Chances are pretty good your pictures suck.

你的Instagram没人气？很可能是因为你的照片太挫了。

Got no boyfriend? Chances are pretty good you're ugly.

木有男友？很可能因为你太丑了。

2. a kick in the teeth 极度的失望，沉重的打击，重大的挫折

例句：

The Government's decision is a real kick in the teeth for the unions.

政府的决定是对工会的沉重打击.

Not being accepted by colleges is surely a kick in the teeth for an excellent student like Kate.

对像凯特这样优秀的学生来说，没被大学录取肯定是一个重大打击。