fall flat on your face

US /fɔl flæt ɑn jʊər feɪs/
UK /fɔl flæt ɑn jʊər feɪs/
"fall flat on your face" picture
1.

완전히 실패하다, 망신당하다

to fail completely or to be unsuccessful in an embarrassing way

:
His grand plan to impress the boss fell flat on its face.
상사에게 깊은 인상을 주려던 그의 거창한 계획은 완전히 실패했다.
The comedian's new jokes fell flat on their face with the audience.
코미디언의 새 농담은 관객들에게 완전히 실패했다.