hindsight /ˈhaɪndˌsaɪt/ TEM8

• 1. 

  N-UNCOUNT Hindsight is the ability to understand and realize something about an event after it has happened, although you did not understand or realize it at the time. 后见之明

  例：

  With hindsight, we'd all do things differently.

  事后想来，我们可能都会以不同的方式做事。