It’s easy to say now what we should have done then—with the wisdom of hind sight!

现在说我们当时应该如何做是不难的——这全是事后聪明。

※Behind bad luck comes good luck. 塞翁失马，焉知非福。
※He is a good friend that speaks well of us behind our backs. 背后说人好话的够朋友。
※The devil lurks behind the cross. 貌善实恶。
※When two ride on one horse, one must sit behind. 两人共骑一匹马，总有一个背后跨。
※If two men ride on a horse, one must ride behind. 两人同骑一马，必有一人在后。
※To live in the hearts of those left behind is not to die. 活在后人心，虽死而犹生。
※Work today, for you know not how much you may be hindered tomorrow. 今天有事今天做，明天可能事受阻。
※His bashful mind hinders his good intent. 害羞使好意无法表现.
※The golden age is before us, not behind us. 黄金时代是在我们前面而不在我们背后.
※He that leaves a name behind him does not die. 身后留名的人万世永存.