He repeatedly mispronounced words and slurred his speech.

他一再读错单词，而且说话含含糊糊的。

But you mispronounced a word.

哪个字读错了呀？

You've mispronounced one word.

你念错了一个词。

You've mispronounced the word.

你得单词发音错了。

There are many mispronounced words.

有很多读错的词。