英语用光的词组怎么说

"Out of words" or "at a loss for words" are both phrases that can be used to describe the feepng of being unable to find the right words to express something. For example, you might say "I'm at a loss for words" if you are overwhelmed with emotion or surprised by something. "Out of words" can also be used in a similar way to describe the feepng of being unable to think of anything to say.