各行其是
gè​xíng​qí​shì

to each go their own way

  1. 各 gè adverb
    separately
    separately; differently; individually; used as an adverb to show that different people or things act or possess attributes independently
  2. 行 xíng verb
    to do
    to do; to perform; to carry out; to engage in
  3. 其 qí pronoun
    [third-person possessive]
    his; her; its; their; refers back to a person or thing mentioned previously
  4. 是 shì verb
    correct
    right; true; just; often used in contrast with 非 fēi