to be speechless 驚訝得說不出話
英文釋義
To be so surprised by something that one cannot think of words to say.
例句
When my successful young boss told me he was retiring, and that he was recommending that I be hired to replace him, I was speechless.
當我成功的年輕上司告訴我,他要退休並推薦我頂替他時,我驚訝得說不出話來。