make an ass of yourself
US /meɪk ən æs əv jərˈself/
UK /meɪk ən æs əv jərˈself/
1.
出洋相, 丢人现眼
to behave in a very stupid or silly way that makes you look foolish
:
•
He tends to make an ass of himself when he drinks too much.
他喝太多酒时，往往会出洋相。
•
I really made an ass of myself during the presentation.
我在演示中真是出尽洋相。