fall on one's face

Translations
потерпеть неудачу
She fell on her face during the presentation and forgot all her lines.
Она потерпела неудачу во время презентации и забыла все свои реплики.
Definitions
To fail embarrassingly or completely in an attempt to do something.
Words
fall

verb
упасть
on

preposition
на
one's

article or possessive pronoun
свой
face

noun
лицо