What is "Wolf-Warrior Diplomacy"?

Abandoning Deng Xiaoping’s longtime policy of “concealing the strength" in international diplomacy, today’s Chinese diplomats are assertive and confrontational. They embrace a new brand of “Wolf-Worrior diplomacy” on overseas social media platforms, which is adopted from the popular Rambo-styled Chinese action movie “Wolf Warrior II.” In China, this style of diplomacy echoes the souring nationalism. But how are they received in the international community?