佔線

占线
zhànxiàn
busy (telephone line)

CEDICT

  1. (of phone lines) to be engaged; to be busy
  2. to be engaged; to be busy

Wiktionary

Entry Composition

1 佔 zhàn variant of 占 zhàn
2 線 xiàn
  1. thread
  2. string
  3. wire
  4. line
  5. (after a number) tier (unofficial ranking of a Chinese city)

classifiers: 條, 股, 根

Related entries

傯 zǒng
  1. busy
  2. hurried
  3. despondent
忙 máng
  1. busy
  2. hurriedly
  3. to hurry
  4. to rush
忙嗎？

Are you busy?

Source: Tatoeba

繁忙 fánmáng
  1. busy
  2. bustling
當你穿越交通繁忙的街道時要小心注意。

Be careful when you pass through the street's busy traffic.

Source: Tatoeba

鞅掌 yāngzhǎng (literary) busy (with work etc)