Shïpéi le. Excuse me, I have to go

Example 1:
A: Göngsï yôu jí shì, wô dêi mâshàng huíqù. Duìbuqî, shïpéi le.
B: Méiguänxi.

A: Something urgent has come up at the company, I have to go back right away. Sorry, I have to go
B: It doesn’t matter.

Example 2:
A: Nîmen tán ba, wô hái yôu bié de shìqing, yào xiän zôu le. Shïpéi le.
B: Hâo, nà nî zôu ba.

A: Excuse me, I have to go now. I have something else to attend to. Please continue.
B: OK, see you.

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This is a polite expression used when you have to leave your friends at gatherings.

Synonymous Expressions
Duìbuqî, wô bù néng péi nîmen le.