饮流怀源
yǐn​liú​huái​yuán

to be grateful for one's roots

  1. 饮 飲 yǐn nounverb
    to drink
    to drink; specifically to drink alcohol.
  2. 流 liú noun
    stream
    a stream of water or a continuous moving mass of something resembling a liquid, such as air or electricity
  3. 怀 懷 huái verb
    to think of
    to miss or long for someone or something; to remember with nostalgia
  4. 源 yuán noun
    source
    (bound form) source of a river; fountainhead; starting point of a stream