一竿子打翻一条船
yī​gān​zi​dǎ​fān​yī​tiáo​chuán

to judge everyone by the same brush

  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 竿子 gān​zi
    pole
    a bamboo pole; a long rod made of bamboo or other materials
  3. 打翻 dǎ​fān verb
    to overturn
    To strike or knock something over; to tip over or capsize
  4. 一 yī numeral
    one
    one; the number 1; single; alone
  5. 条 條 tiáo measure word
    [long/narrow things]
    Measure word for long, thin, or narrow items such as rivers, roads, snakes, fish, or trousers; also used for certain abstract things like items of news, suggestions, or lives.
  6. 船 chuán noun
    boat
    boat; ship; vessel; craft