c'est la vie
exclamation uk/ˌseɪ lə ˈviː/ us/ˌseɪ lə ˈviː/
生活就是如此，这就是生活
used to say that situations of that type happen in life, and you cannot do anything about them
I can't go to the game on Saturday - I've got to work. Oh well, c'est la vie. 周六我不能去看比赛——我得去上班。哎，这就是生活。