♣ in retrospect
回顾；回想 thinking about a past event or situation, often with a different opinion of it from the one you had at the time
　In retrospect it's obvious how we went wrong.　回想起来，我们是如何出的错就很明显了。
　The decision seems extremely odd, in retrospect.　回想起来，这个决定显得极其荒谬。