thìⁿ-thúi牚腿

to have stiff legs and sore leg muscles making

to have stiff legs and sore leg muscles making them difficult to bend or stretch (from fatigue due to strenuous physical activity)

English Wiktionary, “牚腿” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%89%9A%E8%85%BF · confidence: Medium (Wiktionary)