не сработал

didn't work

→ не
phrase Rare #38,267
didn't work Used for a plan, method, device, or mechanism that failed to produce the expected result. The form сработал is masculine singular; the ending changes to agree with the subject.
RU: К сожалению, этот способ не сработал.
EN: Unfortunately, this method didn't work.

Ваш план не сработал.

Your plan didn’t work.

Тормоз не сработал.

The brake didn't work.

Мой будильник не сработал этим утром.

My alarm didn't go off this morning.

Этот метод не сработал.

This method didn't work.

Наш план не сработал.

Our plan didn't work.