白乾 [－干]

Jyutping baak6 gon1
Pinyin bái gān

Definitions (Wiktionary)
  1. noun
    Synonym of 白酒 (báijiǔ, “baijiu; distilled liquor”).
    (syn.) 燒酒, 跟頭酒, 飶酒, 辣酒, 乾酒, 高粱酒, 白酒, 白乾兒, 米酒, 老白乾兒, 白乾, 麻酒
  2. adv, archaic
    without any reason or cause; groundlessly