背叛的英語有betray、treachery、betrayal、defection、treason。
1、betray
英 [b?'tre?]? 美 [b?'tre?]
vt. 背叛；出賣；泄露；顯露
He betrayed his country.
他背叛了他的國家。
2、treachery
英 ['tret?ri] 美 ['tret?ri]
n. 叛變；背叛
Treachery seems to have replaced loyalty.
叛變似乎已代替了忠誠。
3、betrayal
英 [b?'tre?l] 美 [b?'tre?l]
n. 背叛；暴露
I wanted to punch him for his betrayal.
因為他的背叛，我想狠狠揍他壹頓。
4、defection
英 [d?'fek?n] 美 [d?'fek?n]
n. 背叛；脫黨；離會
His defection to the other side was the ultimate betrayal.
他變節投向另壹方是最終的背叛。
5、treason
英 ['tri?zn] 美 ['tri?zn]
n. 叛逆；通敵；背叛；叛國罪
He was beheaded for high treason.
他因叛國罪被斬首。