Bié sòng le. There’s no need to go any further.

Example 1:
A: Tài wân le, nî huíqù ba, bié sòng le.
B: Hâo ba, nî zôu hâo.

A: It’s too late now, just go back please. There’s no need to go any further.
B: Alright, take care.

Example 2:
A: Bié sòng le, döu shì péngyou, búyòng kèqi.
B: Nà wô jiù bú sòng le, màn zôu.

A: There’s no need to go any further. We’re friends, you don’t have to be so courteous.
B: I’ll stop here then. Take care.

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This expression is used by a guest. In China, some hosts have the custom of accompanying guests out the door or farther when they leave to show respect and friendliness.

Synonymous Expressions
Huíqù ba.