Definition

Examples

• 军队必须通过那个隘口才能到达山谷。
  Jūnduì bìxū tōngguò nà ge ài kǒu cáinéng dàodá shāngǔ.
  The army had to go through that mountain pass to reach the valley.
• 这个隘口地势险要，易守难攻。
  Zhège ài kǒu dìshì xiǎnyào, yì shǒu nán gōng.
  This pass has a strategically dangerous terrain, easy to defend and hard to attack.
• 古时候商队常走这条隘口。
  Gǔ shíhou shāngduì cháng zǒu zhè tiáo ài kǒu.
  In ancient times, merchant caravans often traveled through this pass.