发酸 fāsuān to turn sour Definitions Defs Origin Strokes Stroke Words Sentences Sents fāsuān to turn sour 发 發 fā verb to turn To become or change into a certain state or color, such as turning yellow or becoming soft酸 suān adjectivenoun sour sour or tart in taste or smell, like vinegar; spoiled or fermented foodfāsuān to sting 发 發 fā verb to feel To feel or have a physical sensation, such as a fever or sleepiness酸 suān distressed (bound form) sick at heart; grieved; distressed, such as in 心酸 xīnsuānfāsuān to feel achy 发 發 fā verb to feel To feel or have a physical sensation, such as a fever or sleepiness酸 suān opaque (segment carries no independent meaning)