叛国

pàn guó fèn zǐ

叛国分子

traitor to one's country

pàn guó qiú róng

叛国求荣

betray one's country for high position and great wealth

pàn guó yán yǔ

叛国言语

a treasonable speech

zhì yí huáng quán bèi shì wéi pàn guó zhī jǔ

质疑皇权被视为叛国之举。

Questioning the authority of the Crown was considered an act of treason.