quán​guó​dài​biǎo​dà​huì

national congress

全国代表大会 (全國代表大會) quán​guó​dài​biǎo​dà​huì
national congress
A national general congress or convention of delegates representing an entire country or organization.
party congress
Specifically the National Congress of the Communist Party of China, held every five years in recent times.

Sources

Definitions
CC-CEDICT