speechless
adj. （因气愤、震惊、惊讶等）说不出话的，无语的；非言语所能表达的
例句
Alex was almost speechless with rage and despair.
亚历克斯一时因愤怒和绝望几乎说不出话来。
《柯林斯英汉双解大词典》
Laura was speechless with rage.
劳拉气得说不出话来。
《牛津词典》
The little boy was speechless with shock.
这个小男孩被吓得说不出话来。
