take French leave
US /teɪk frɛnʧ liːv/
UK /teɪk frɛnʧ liːv/

1.
sair à francesa, ir embora sem se despedir
to leave without permission or without telling anyone
:
•
He decided to take French leave from the meeting, much to his boss's annoyance.
Ele decidiu sair à francesa da reunião, para grande aborrecimento do seu chefe.
•
The soldier was punished for taking French leave from his post.
O soldado foi punido por abandonar o posto sem permissão.