song-tǒng鬆動

to become flexible

to become flexible; to show flexibility; to relax; to become loose; to work loose (of a screw, nail, etc.); to become less crowded; to not hard up

English Wiktionary, “鬆動” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%AC%86%E5%8B%95 · confidence: Medium (Wiktionary, Hokkien)