in Chinese
Demande-lui le rapport de l'affaire en chinois.
Ask him for the case report in Chinese.
— Detective Chinatown (2015)
Les ouvriers viennent de partout, on se parle en chinois standard.
The workers come from all over; we speak to each other in standard Chinese.
— The World (2004)
Elle fait des progrès en chinois.
She is making progress in Chinese.
Je ne sais pas écrire en chinois.
I don't know how to write in Chinese.
Singapour se nomme « Xīnjiāpō » en chinois.
Singapore is called “Xīnjiāpō” in Chinese.
Leur conversation étant en chinois, je n'ai pas compris un mot.
Since their conversation was in Chinese, I didn’t understand a word.
In Chinese.