听着，我的孩子，尽管我很努力，但我什么也教不了你。

Hark you, my son, try as I will I can get nothing into your head.

youdao

尽管我很努力，但进步缓慢。

Although I study very hard, the progress is slow.

youdao

尽管我很努力去提高它，但是并没有很大的作用。

I work very hard to improve it, but it doesn't work very well.

youdao

尽管我很努力去提高它，但是并没有很大的作用。

I work very hard to improve it, but it doesn't work very well.

youdao