Definition
To behave in a foolish or silly way, causing oneself to look ridiculous or embarrassed.
（粗俗）出丑；丢人现眼
He drank too much and made an ass of himself at the party.
他喝太多酒，在派对上出尽洋相。
Don't make an ass of yourself in front of the boss; it won't do you any good.
不要在老板面前出丑，这对你没好处。
She realized how foolish she sounded at the meeting and wanted to sink into the ground.
她在会议上意识到自己听起来有多愚蠢，恨不得找个地洞钻进去。