clock on

US /klɑːk ɑːn/
UK /klɑːk ɑːn/
"clock on" picture
1.

打卡上班, 簽到

to record one's arrival at work, especially by punching a time clock

:
I need to clock on by 9 AM to avoid being late.
我需要在早上9點前打卡上班,以免遲到。
He always clocks on exactly at 8 AM.
他總是準時在早上8點打卡上班