攻關 [－关]

Jyutping gung1 gwaan1
Pinyin gōng guān

Definitions (CC-CEDICT)
  1. to storm a strategic pass
  2. fig. to tackle a key problem
Definitions (Wiktionary)
  1. verb, literally
    to storm a strategic pass
  2. verb, figuratively
    to tackle a key problem
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #1377