張口

张口
zhāngkǒu
  1. to open one's mouth (to eat, speak etc)
  2. to gape
  3. to start talking (esp. to make a request)

CEDICT

to open one's mouth; to start to speak

Wiktionary

  1. 開口。表示說話、要求、飲食、唱歌等。
  2. 驚訝得說不出話的樣子。

重編國語辭典

Entry Composition

1 張 zhāng
  1. to open up
  2. to spread
  3. sheet of paper
  4. classifier for flat objects, sheet
  5. classifier for votes
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls

Containing this entry

張口結舌 zhāngkǒujiéshé
  1. agape and tongue-tied (idiom); at a loss for words
  2. gaping and speechless
飯來張口 fànláizhāngkǒu

Related entries

啟齒 qǐchǐ
  1. to open one's mouth
  2. to start talking
張嘴 zhāngzuǐ
  1. to open one's mouth (to speak, esp. to make a request)
  2. to gape
開口 kāikǒu
  1. to open one's mouth
  2. to start to talk
他开口了。

He spoke.

Source: Tatoeba

打開話匣子 dǎkāihuàxiázi to start talking