He was deeply wounded by the treachery of close aides and old friends.

他被亲密助手和老朋友的背叛深深地伤害了。

《柯林斯英汉双解大词典》

In another interpretation, Judas' treachery made him so hated that he may not be known by his proper family name, but a subsequent corruption of the Latin sicarius, meaning "murderer" or "assassin."

在另一种解释中，犹大的奸诈使他如此被人憎恨以至于无人呼其真实姓名，取而代之的是一个变形的拉丁词语“sicarius”，意思是凶手或杀手。

youdao

But good did come of the apple barrel, as you shall hear, for if it had not been for that, we should have had no note of warning and might all have perished by the hand of treachery.

但是那桶苹果确实带来了好处，就像你将要听到的那样：因为要是没有它，我们就不会得到警报，可能我们就会被叛逆之手统统于掉了。

youdao

Even if General Musharraf is willing to give that up, he is vulnerable to charges of treachery by Islamic zealots, many of whom are armed and who have friends in the army.

ECONOMIST: Cooling it in Kashmir

Others may be more impressed by the unhappy fate of western agents betrayed by their own spymasters' treachery or incompetence.

ECONOMIST: Cold-war spies

The crooks amuse themselves by accusing each other of treachery (someone tipped off the police), waving their guns, screaming obscenities, and torturing a cop whom one of them has captured.

NEWYORKER: Reservoir Dogs