keep at

US /kiːp æt/
UK /kiːp æt/
"keep at" picture
1.

to continue working at something difficult or unpleasant without stopping

:
•
You have to keep at it if you want to master a new language.
•
Despite the challenges, she decided to keep at her studies.
:
perseverepersiststick atplug awaykeep on
:
keepkeep onkeep tokeep inkeep in within keeping withkeep up with