Meaning of step into the breach | Babel Free

Verb CEFR C2

Definitions

To do a task that one is not ordinarily expected to do because there is no one else to do it.

figuratively

Deutsch in die Bresche springen

Français prendre le relai remplacer

Русский взять бразды́ правле́ния взять в свои́ ру́ки встать у руля́

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.