兄友弟恭
xiōng​yǒu​dì​gōng

fraternal love

  1. 兄 xiōng noun
    elder brother
    (bound form) elder brother; one's older male sibling
  2. 友 yǒu adjective
    friendly
    (bound form) friendly; amicable; kind
  3. 弟 dì noun
    younger brother
    (bound form) younger brother; a junior male relative of the same generation; a junior male friend
  4. 恭 gōng verb
    respectful
    (bound form) respectful; reverent; polite, as in 恭敬 gōng​jìng or 洗耳恭听 xǐ'ěr​gōng​tīng