speechless

形容词 speechless:

1. unable to speak temporarily
   同义词：dumb

1. He was momentarily rendered speechless with joy.
   他因欣喜若狂而一时说不出话来。
2. Speechless or confused in expression, as from shyness, embarrassment, or astonishment.
   张口结舌的由于害羞、尴尬或震惊而无法说话或说话不清的
3. Anger left him speechless.
   他气得说不出话来。
4. I was speechless with surprise.
   我惊讶得说不出话来。