to do something that one has missed or delayed doing before a deadline
做一些之前错过或延迟的事情，在截止日期之前
"I stayed late to catch up on my unfinished reports."
"我加班工作来赶上我未完成的报告。"
to remain in a leading or advantageous position
to yield or surrender to pressure or temptation
to gradually reduce or stop expenditure
to begin one’s career or business journey
to register or enroll in a course or activity
to reduce pollution caused by transportation
