无言

無言
wúyán
  1. to remain silent
  2. to have nothing to say

CEDICT

to have nothing to say; to be silent

Wiktionary

无话可说，沉默

維基詞典

Entry Composition

1 无 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
2 言 yán
  1. words
  2. speech
  3. to say
  4. to talk

Containing this entry

哑口无言 yǎkǒuwúyán
  1. dumbstruck and unable to reply (idiom)
  2. left speechless; at a loss for words
无言以对 wúyányǐduì
  1. to be left speechless
  2. unable to respond
无言可对 wúyánkěduì
  1. unable to reply (idiom); left speechless
  2. at a loss for words
顿口无言 dùnkǒuwúyán

Related entries

杜口 dùkǒu to remain silent
无语 wúyǔ
  1. to remain silent
  2. to have nothing to say
  3. (coll.) speechless
  4. dumbfounded
我無語了。

Words fail me.

Source: Tatoeba

无话可说 wúhuàkěshuō to have nothing to say (idiom)