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Jyutping lok6 bun2
Pinyin luò běn

Definitions (CC-CANTO)
  1. to have to spend a lot of money (capital) on
Definitions (粵典–words.hk)
  1. 動詞
    投入​大量​本錢​或者​心力
    to put in a lot of money or effort
    • 我落重本買呢隻馬跑贏㗎。
      我落重本买呢只马跑赢㗎。
      ngo5 lok6 cung4 bun2 maai5 ni1 zek3 maa5 paau2 jeng4 gaa3.
      I've betted a lot of money on this horse.
Definitions (Wiktionary)
  1. verb, Min-Nan
    to invest capital; to put in capital
    (syn.) 下本兒, 下本儿
Definitions (Kaifangcidian)
  1. 下本錢 – 下本钱