cry in one's beer形容借酒消愁，自我怜悯的情况。

【例句】
John sits around in a bar all day crying in his beer since his girlfriend dumped him.
自从John的女友和他分手后，他就一天到晚坐在酒吧里借酒消愁。

Losing the match made quite a dent in his ego and he cried in his beer recently.
这次比赛失败对他的自尊心打击极大,他最近常常借酒消愁。