worry at
phrasal verb transitive British
1
(worry at something) if you worry at a problem, you keep thinking about it and trying to solve it
Synonyms and related words
To think carefully or a lot about things
2
(worry at something) if a dog worries at an object, it holds the object in its teeth and shakes it
Synonyms and related words
Dog behaviour and describing dogs
See also main entry: worrySee also main entry: worry