關隘 [关－]

Jyutping gwaan1 aai3
Pinyin guān ài

Definitions (CC-CEDICT)
  1. mountain pass
Definitions (Wiktionary)
  1. noun
    mountain pass (that is located in a strategic position)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）