I don't speak the lingo.

我不会说这种外语。

《柯林斯英汉双解大词典》

I don't speak Greek so Dina offered to translate for me.

我不懂希腊语，于是迪娜主动给我翻译。

《牛津词典》

I couldn't do the job—I've never been to Spain and, more to the point, I don't speak Spanish.

这个工作我做不了—我从未去过西班牙；而更重要的是，我不会说西班牙语。

《牛津词典》

The best way to say it and the quickest way to say it is that I don't speak language.

最合适的说法是,我们说的不是语言。

耶鲁公开课 - 文学理论导论课程节选

But you have to submerge yourself in those groups, and I don't speak it enough,

但你必须把自己沉浸于这些小组里，我说得不够多。

学习外语的时候 - SpeakingMax英语口语达人

I don't speak French,so I'm going to drop that,right?

我不懂法语，在这里就不献丑了？

耶鲁公开课 - 死亡课程节选

Yet thanks to the Internet I can develop a reputation as a player in a foreign city where I don't speak the language.

WSJ: Book Review: Love in the Time of Algorithms

"I don't speak to my father very often but he has been telling me what he has read in the papers as well, " Barrett told BBC Radio Manchester.

BBC: Barrett denies plan to quit Wigan

The problem is I don't speak Hebrew.

WSJ: Passover Challenged