Hello, please show me your diplomatic passport.

您好，请出示您的护照证件。

youdao

For applicants having visas lost or stolen: a certificate of loss report of passport or a diplomatic note presented by their states' embassy or consulates to China and a new passport;

签证遗失或者被盗抢的，应该提交本人护照报失证明或者所属国驻华使领馆照会及新护照。

youdao

Princess Tenko may be only foreigner without a diplomatic passport at the state funeral.

FORBES: Viewing North Korea from Japan's Perspective

He holds a diplomatic passport, and requires no visa to enter France.

BBC: Nicolas Sarkozy

But Mengistu is a close friend of President Robert Mugabe, holds a Zimbabwean diplomatic passport and lives in a heavily-guarded mansion in the capital, Harare.

BBC: Mengistu to stay in Zimbabwe