pó-tshî保持

to keep

to keep; to maintain; to preserve; to remain; to stay; to exercise

English Wiktionary, “保持” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%BF%9D%E6%8C%81 · confidence: High (Wiktionary, PH/Quanzhou/Jinjiang)