Until, that is, you hear all the customers speaking Mandarin.

然而，听到所有的顾客说的都是汉语，你才发现并非如此。

youdao

He had not realized that I was a speaker of Mandarin imitating Hunanese imperfectly and assumed instead that I was a Hunanese speaking Mandarin imperfectly.

他没有想到我是一个说普通话的人在模仿说湖南话说得不地道，而以为我是一个湖南人在模仿说普通话说得不地道。

youdao

I looked up, and opposite me were two young women chatting away in Putonghua. Beyond and behind them were at least another 10 or 12 young people, all nicely dressed, also speaking Mandarin.

我抬头一看，发现坐在对面的两位年轻女士正在用普通话聊天，她们后面还坐着至少10到12位年轻人，都衣冠楚楚，也说着汉语。

youdao

It is not unusual to see someone from the Mandarin Service talking to someone from the Urdu Service, both speaking English.

VOA: special.2011.01.12

Four weeks later, he had talked his way (speaking English and Mandarin helped) into a job as John Lone's double.

CNN: From Our Correspondent: Hip Hop Reality

Sorvino is a Mandarin-speaking Harvard University graduate who spent a college year abroad in Beijing.

CNN: PEOPLE

Canny tour operators at these destinations have been catering to the market by providing Mandarin-speaking guides and brochures.

CNN: ASIANOW - TIME Asia | Travel Watch