城牆

城墙
chéngqiáng
city wall

CEDICT

Entry Composition

1 城 chéng
  1. city walls
  2. city
  3. town

classifiers: 座, 道, 個
2 牆 qiáng (slang) to block (a website) (usu. in the passive: 被牆 bèiqiáng)

classifiers: 面, 堵