Nantoka/酸痛suān tòng酸痛 (suān tòng) is a Chinese word meaning “to ache”.Meanings1to acheCharacters in 酸痛酸suān · sour痛tòng · acheRelated words痛苦pain痛ache酸sour疼痛pain头痛to have a headache悲痛grieved酸奶yogurt痛恨to detest痛快delighted止痛药painkiller伤痛pain (from wound)痛楚painStudy Chinese with flashcards →