HSK 7–9 · adjective
区区
trivial; insignificant; mere
这点区区小事，你不用客气。
Zhè diǎn qūqū xiǎo shì， nǐ búyòng kèqi。
This is such a trivial matter; you don't need to be polite.
这趟车只在市区区间运行。
Zhè tàng chē zhǐ zài shìqū qūjiān yùnxíng。
This train only runs within the city section.