seal someone's fate
US /siːl ˈsʌm.wʌnz feɪt/
UK /siːl ˈsʌm.wʌnz feɪt/

1.
sceller le destin de quelqu'un, condamner quelqu'un
to make it certain that someone will fail or experience something unpleasant
:
•
His poor performance in the final exam sealed his fate for the scholarship.
Sa mauvaise performance à l'examen final a scellé son destin pour la bourse.
•
The discovery of new evidence sealed the suspect's fate.
La découverte de nouvelles preuves a scellé le destin du suspect.