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Jyutping lei5 ji4
Pinyin lǐr

Definitions (Wiktionary)
  1. noun, colloquial, dialectal
    reason; principle

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Jyutping lei5 ji4
Pinyin lǐ r5

Definitions (CC-CEDICT)
  1. reason
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    她善于处理儿童。
    她善於處理兒童。
    tā shàn yú chǔ lǐ ér tóng 。
    • She's good at handling children.