疑人莫用，用人莫疑
yí​rén​mò​yòng​yòng​rén​mò​yí

don't use a man you suspect, and don't suspect a man you use

  1. 疑 yí verb
    to doubt
    (bound form) to doubt; to suspect; to disbelieve
  2. 人 rén noun
    person
    person; people; human being; a human
  3. 莫 mò
    do not
    (literary) do not; must not; used as a command to forbid an action
  4. 用 yòng verb
    to use
    To use; to employ; to apply or make use of something to achieve a purpose.
  5. ， yòng
    non-Chinese
  6. 用人 yòng​rén
    to use people
    To employ or manage personnel; to be in need of hands or manpower.
  7. 莫 mò
    do not
    (literary) do not; must not; used as a command to forbid an action
  8. 疑 yí verb
    to doubt
    (bound form) to doubt; to suspect; to disbelieve