trump up

US /trʌmp ʌp/
UK /trʌmp ʌp/
"trump up" picture
1.

monter de toutes pièces, inventer

to invent a false accusation or excuse

:
They tried to trump up charges against him.
Ils ont essayé de monter de toutes pièces des accusations contre lui.
He trumped up an excuse for being late.
Il a inventé une excuse pour son retard.