GbEng
他宣誓对国王效忠。 He took an oath of fealty to the king.
政府雇员宣誓不泄露官方机密. Government employees swear an oath not to reveal official secrets.
这位封臣宣誓他将永远忠诚于国王。 The vassal swore that he would be loyal to the king forever.
总统必须当众宣誓就职. The President has to be sworn in publicly.
他宣誓要为他的国家而战。 He took the oath to fight for his country.
士兵们宣誓效忠于他们的祖国。 The soldiers swore allegiance to their motherland.