排列 (pái liè) means “to arrange in order; (math.) permutation”. It is an HSK 4 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
这些书排列得很整齐。
Zhèxiē shū páiliè de hěn zhěngqí.
These books are arranged very neatly.
Updated: 2026-05-27