It is a wise choice not go pronouncing on a subject that you know so little about.

对你所知甚少的问题不发表意见是明智的选择。

I think I am pronouncing this word wrong.

我想我这个单词没读对。

He makes gross errors in pronouncing words.

他发音中有很多明显的错误。

We practised pronouncing the sound again and again.

我们一遍又一遍地练习发这个音。

I have some difficulty in pronouncing some of the words in English.

在某些英语单词的发音上我有些困难。