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Jyutping hak1 loeng6
Pinyin hēi liàng

Definitions (Wiktionary)
  1. verb, Xiang
    to turn off a light (used for electric light)
    (syn.) 熄灯, 黑灯, 黑燈, 熄燈, 关亮, 關亮
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)