善罢干休
shàn​bà​gān​xiū

to let it go at that

  1. 善 shàn verbadverb
    properly
    (bound form) properly; satisfactorily; well; used to indicate handling a matter with care or to its completion
  2. 罢 罷 bà verbnoun
    to stop
    to stop; to cease; to halt
  3. 干 乾 gān particle
    to dry
    to become dry; to cause something to become dry; to exhaust or drink up a liquid
  4. 休 xiū verbadjective
    to stop
    (bound form) to cease; to stop or end; to finish