先走一步
xiān​zǒu​yí​bù

to leave first

先走一步 xiān​zǒu​yí​bù
to leave first
To leave a place before others; often used as a polite way to excuse oneself from a social gathering.
to die first
(euphemism) To pass away before someone else, such as a spouse or family member.
to advance a step further
To get one step ahead or make progress before others.