on someone's watch

US /ɑn ˈsʌm.wʌnz wɑtʃ/
UK /ɑn ˈsʌm.wʌnz wɑtʃ/
"on someone's watch" picture
1.

sous la surveillance de quelqu'un, pendant le mandat de quelqu'un

during the period when someone is responsible for something

:
The company's profits declined significantly on his watch.
Les bénéfices de l'entreprise ont considérablement diminué sous sa surveillance.
I won't let anything bad happen to this project on my watch.
Je ne laisserai rien de mal arriver à ce projet sous ma surveillance.