gnaw (away) at somebody/something phrasal verb ( see also ↑ gnaw )
to make someone feel worried or frightened, over a period of time:
Something was gnawing at the back of his mind.
Doubt was gnawing away at her confidence.
gnaw (away) at somebody/something phrasal verb ( see also ↑ gnaw )
to make someone feel worried or frightened, over a period of time:
Something was gnawing at the back of his mind.
Doubt was gnawing away at her confidence.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012