(also you win some, you lose some)

A phrase said, often as an attempt at consolation, when one has lost or failed to achieve a desired result, especially after previous success. "Them" is sometimes abbreviated as "'em."

一个安慰语，当一个人失去或未能达到期望的结果时说的一种安慰语，尤指在先前的成功之后。“Them”有时被缩写为“em”。

不可能事事都成功;有得必有失

It would have been great to get the job but I suppose you can't win 'em all.

能得到那份工作就好了，但是不可能事事都如意的。