cí​qióng​lǐ​jìn

at a loss for words

  1. 词 詞 cí nounverb
    speech
    statement; words; things spoken or written, such as a script, speech, or legal statement
  2. 穷 窮 qióng adjective
    to exhaust
    to use up; to exhaust; to pursue to the limit; to reach the end of something
  3. 理 lǐ verbnoun
    reason
    reason; logic; truth; a law or principle governing how things work
  4. to use up
    to use up; to exhaust; to finish; to end