keep track of
US /kiːp træk ʌv/
UK /kiːp træk ʌv/

1.
추적하다, 기록하다, 파악하다
to stay informed about or be aware of someone or something, especially their progress or whereabouts
:
•
It's hard to keep track of all the changes in the project.
프로젝트의 모든 변경 사항을 추적하기 어렵다.
•
Can you keep track of how many people enter the building?
건물에 몇 명이 들어오는지 기록해 줄 수 있니?