adj.說不出話的；不會說話的；無言的；非言語能表達(dá)的

I was speechless with anger. 我氣得說不出話來。

Her mother was speechless with surprise because she spent all her money. 她把所有的錢都花了，使她媽媽吃驚得說不出話來。

A gorilla is just a speechless animal. 猩猩只不過是一種不會說話的動物。

It has become a sombre and speechless load upon the senses. 這已轉(zhuǎn)變成陰暗沉悶和難以形容的精神負(fù)擔(dān)。