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Jyutping bei1
Pinyin

Definitions (Wiktionary)
  1. character, literary
    second-class formal attire worn in sacrificial rites in ancient China
  2. character
    a surname
  3. character, literary
    secondary; assistant; minor; small

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Jyutping pei4
Pinyin

Definitions (CC-CANTO)
  1. seconday/small/minor
Definitions (Unihan)
  1. aid, benefit, help
  2. supplement
  3. Cangjie Input
    LHHJ

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Jyutping bei1
Pinyin

Definitions (CC-CEDICT)
  1. to benefit
  2. to aid
  3. advantageous
  4. profitable
Definitions (CC-CANTO)
  1. to benefit/to aid/advantageous/profitable/to help/to supplement/to increase/to enhance/an ancient surname
Definitions (粵典–words.hk)
  1. 語素
    增加​、​幫助
    increase; enhance
    • 裨益
      裨益
      bei1 jik1
      benefit
Definitions (Wiktionary)
  1. character, literary
    to add to; to complement
  2. character, literary
    to make up; to remedy; to supplement
  3. character
    to aid; to benefit; to help

裨 [-]

Jyutping
Pinyin

Definitions (CC-CEDICT)
  1. surname Pi
  2. subordinate
  3. secondary
  4. small
Examples (粵典–words.hk)
  1. Cantonese
    裨益
    裨益
    bei1 jik1
    • benefit
  2. Cantonese
    莫大裨益
    莫大裨益
    mok6 daai6 bei1 jik1
    • tremendous benefits
  3. Cantonese
    经常做运动对身体有所裨益。
    經常做運動對身體有所裨益。
    ging1 soeng4 zou6 wan6 dung6 deoi3 san1 tai2 jau5 so2 bei1 jik1.
    • Frequent exercising benefits the body greatly.
  4. Cantonese
    阅读对于提高写作水平大有裨益。
    閲讀對於提高寫作水平大有裨益。
    jyut6 duk6 deoi3 jyu1 tai4 gou1 se2 zok3 seoi2 ping4 daai6 jau5 bei1 jik1.
    • Reading helps promote the proficiency of writing a lot.
Examples (Wiktionary)
  1. Mandarin
    大有裨益
    大有裨益
    dà yǒu bì yì
    • to be of great advantage
  2. Mandarin
    不无裨益
    不無裨益
    bù wú bì yì
    • to be of some benefit