fā​suān

to turn sour

fā​suān to turn sour

  1. to turn
    To become or change into a certain state or color, such as turning yellow or becoming soft
  2. suān adjectivenoun
    sour
    sour or tart in taste or smell, like vinegar; spoiled or fermented food

fā​suān to sting

  1. to feel
    To feel or have a physical sensation, such as a fever or sleepiness
  2. distressed
    (bound form) sick at heart; grieved; distressed, such as in 心酸 xīn​suān

fā​suān to feel achy

  1. to feel
    To feel or have a physical sensation, such as a fever or sleepiness
  2. opaque (segment carries no independent meaning)