YOU SAID:

I asked my Chinese friend how its like living in China he said he can't complain

INTO JAPANESE

私は中国の友人に、彼が文句を言えないと言った中国に住んでいるのがどんなものか尋ねた

BACK INTO ENGLISH

I asked a Chinese friend what it was like to live in China when he said he couldn't complain.

INTO JAPANESE

私は中国人の友人に、彼が不平を言うことができないと言ったとき、中国に住むのはどんな感じかと尋ねました。

BACK INTO ENGLISH

I asked a Chinese friend what it was like to live in China when he said he couldn't complain.