(这个我不懂，请指教)然后告诉老母亲你已经拍好了，接下去要和小孩玩了。

After that let mom know that you've got it covered and now you want to have fun with the kids.

youdao

我不懂你这个问题有什么意义。

I don't see the relevance of your question.

《牛津词典》

我看不懂你的笔迹—这个是不是五字？

I can't read your writing—is this meant to be a five?

《牛津词典》

I don't know a word of Russian, and so I actually try to avoid using the rather well-known Russian equivalents for these terms because I feel like an idiot.

我不懂俄语，所以我不用俄语读,而就用这个英语中通行的俄语替代词,这样感觉是不是挺傻的。

耶鲁公开课 - 文学理论导论课程节选