keep at

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

坚持, 继续做

to continue working at something difficult or unpleasant without stopping

:
You have to keep at it if you want to master a new language.
如果你想掌握一门新语言,就必须坚持下去
Despite the challenges, she decided to keep at her studies.
尽管面临挑战,她还是决定坚持学业。