乃 [--]

Jyutping 欸 naai5
Pinyin ǎo ǎi

Definitions (Wiktionary)
  1. noun, literary, onomatopoeic
    the sound of a boatman singing while rowing a boat
  2. noun, literary, onomatopoeic
    the sound of melodious singing
  3. noun, literary, onomatopoeic
    the sound of an oar while sculling

乃 [--]

Jyutping 欸 naai5
Pinyin ǎi nǎi

Definitions (Wiktionary)
  1. noun, literary, onomatopoeic
    the sound of a boatman singing while rowing a boat
  2. noun, literary, onomatopoeic
    the sound of melodious singing
  3. noun, literary, onomatopoeic
    the sound of an oar while sculling