1·Seeing this, I was so moved that I couldn't say a single word.
看到这里，我感动得一句话也说不出来了。
2·I couldn't understand a single word she said!
她讲的东西我一个字都听不懂！
—— 《牛津词典》
3·"They don't say a single word to each other."—"How come?"
“他们相互不说一句话。”—“怎么会这样？”
—— 《柯林斯英汉双解大词典》
4·They can use them instead of a single word or an entire sentence.
他们可以用它们来代替一个单词或整个句子。
5·As soon as I saw the crowd of people down there, my heart beat so fast that I was unable to say a single word.
当我看到下面的人群时，我的心跳得太快了，我说不出一个字。
6·Peter did not say a single word.
彼得一句话也没说。
7·It is summed up in a single word — man.
它可以用一个词来概括——人。
8·A single word can change the meaning of a sentence.
仅仅一个单词就可以改变一整句话的意思。
9·When she start to talk - just watch out! I can't get in a single word.
当她开始说话时，要小心！我一句话也插不进去。
10·Just as a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
正如一个单词可以改变一句话的意思，一句话可以改变一段话的意思。