虽然他身体不好，但仍然努力工作。

Though (he was) in poor health, he still worked hard.

youdao

虽然他身体不好，但他还是努力工作。

He's in poor health, but he works hard.

youdao

虽然他身体不好，但他还是努力工作。

While he is in poor health, he works hard.

youdao

虽然他的生活很艰辛，由于他们家庭的条件，他的老婆离开了他，他的工作也很不顺利，可是他永远都不会放弃并且努力工作，他照顾他的儿子。

Though his life was very hard, his wife left because of the situation of their family. His work was also unfortunate. He never gave up and still work hard. Then he took care of his little son.

youdao

虽然他很累，但他仍然努力工作。

Thought he was tired, he still worked hard.

youdao

虽然他很累，但他仍然努力工作。

He was tired, but he still worked hard.

youdao

虽然他很累，但他仍然努力工作。

Thought the was tired, he still worked hard.

youdao

他虽然生病，但仍努力工作。

Although he was ill, he worked hard.

youdao

虽然他老了，可是他还努力工作。

Though he is old, he still works hard.

youdao

虽然他老了，可是他还努力工作。

Though he is old, he still works hard.

youdao