形容詞 speechless:

1. unable to speak temporarily
   同義詞：dumb

1. He was momentarily rendered speechless with joy.
   他因欣喜若狂而一時(shí)說不出話來。
2. Speechless or confused in expression, as from shyness, embarrassment, or astonishment.
   張口結(jié)舌的由于害羞、尷尬或震驚而無法說話或說話不清的
3. Anger left him speechless.
   他氣得說不出話來。
4. I was speechless with surprise.
   我驚訝得說不出話來。