Old English spæcleas "permanently mute;" see speech + -less. Meaning "mute by effect of astonishment" is from late 14c. Related: Speechlessly; speechlessness.
实用例句
1. He sat mute, speechless with ecstasy, gazing into the sky.
他静静坐着，凝视天空，一言不发，心驰神往。
来自柯林斯例句
2. The little boy was speechless with shock.
那小男孩惊得说不出话来。
来自柯林斯例句
3. Alex was almost speechless with rage and despair.
亚历克斯又生气又绝望，几乎说不出话来。
来自柯林斯例句
4. Laura was speechless with rage.
劳拉气得说不出话来。
来自《权威词典》
5. The leaders of the Kopper Company were then stunned speechless.
