宣誓
xuān shì · HSK 7
to swear an oath
🤚📜 宣 declare + 誓 vow = to declare a vow; to swear an oath of office
宣 means proclaim or announce (as in 宣布, to declare); 誓 means oath or vow. Together they are the formal act of publicly swearing an oath. Sounds like shwen-shr.