要衝

要冲
yàochōng
  1. road hub
  2. major crossroad

CEDICT

strategic place; hub

Wiktionary

重要的地方。《後漢書．卷五八．傅燮傳》：「今涼州天下要衝，國家藩衛。」唐．杜甫〈發秦州〉詩：「此邦俯要衝，實恐人事稠。」也作「要地」。

重編國語辭典

Entry Composition

1 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important
2 衝 chōng
  1. thoroughfare
  2. to go straight ahead
  3. to rush
  4. to clash