关隘

gōng xiàn guān ài

攻陷关隘

capture a pass

hé xī zǒu láng fēng yāo dì dài gǔ chéng guān ài zài lì shǐ shang jù yǒu zhòng yào dì wèi

河西走廊蜂腰地带古城关隘在历史上具有重要地位。

The ancient city pass in the wasp-waist zone of Hexi Corridor plays an important role in history.

gè zhī duì yào jiā qiáng fáng shǒu guān ài de lì dù

各支队要加强防守关隘的力度。

All the detachments should strengthen their defense of the passes.