1
treachery of someone
The treachery of his allies shocked him.
他盟友的背叛让他震惊。
背叛；背信弃义；背叛行为
先理解核心含义，再看它在真实句子里的用法。
背叛；背信弃义；背叛行为
betrayal of trust, or an act of deliberate betrayal, often for personal gain
The treachery of his allies shocked him.
他盟友的背叛让他震惊。
蓄意的、常经盘算的背信弃义。
Deliberate, often calculated, disregard for trust or faith.
背叛信任
betrayal of a trust
背叛他人信任的行为,通常是为了个人利益。
The act of violating the confidence of another, usually for personal gain.
蓄意背叛的行为
an act of deliberate betrayal
His treachery shocked everyone who had trusted him for years.
他的背叛让所有信任他多年的人震惊。
The general's treachery was discovered before the battle began.
将军的背叛在战斗开始前就被发现了。
She could not forgive such treachery from her closest friend.
她无法原谅最亲密的朋友做出这样的背叛。
The treachery of his allies shocked him.
他盟友的背叛让他震惊。
常与介词against连用，表示背叛的对象。
They planned an act of treachery against the king.
他们策划了针对国王的背叛行为。
动词commit通常与表示负面行为的名词搭配。
No one expected him to commit treachery.
没人料到他竟会背信弃义。
Not this
He treachery his friend.
Use this
He betrayed his friend.
“treachery”是名词，不能直接作动词，应使用动词“betray”表达背叛行为。
Not this
He was accused of treachery against his country.
Use this
He was accused of treason against his country.
“treachery”泛指背信弃义，但针对国家的背叛在法律和习惯上通常用“treason”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
背叛行为
The spy's act of treachery shocked the entire agency.
间谍的背叛行为震惊了整个机构。
实施背叛
He was willing to commit treachery for personal gain.
他为了个人利益愿意实施背叛。
对…的背叛
The general was accused of treachery against the state.
这位将军被指控对国家背叛。
背叛与欺骗
The novel explores themes of treachery and deceit.
这部小说探讨了背叛与欺骗的主题。
怀疑背叛
The king began to suspect treachery among his advisors.
国王开始怀疑他的顾问中有背叛行为。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use treachery naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：treachery 音似 '踹扯'，想象被信任的人背后踹你并拉扯，即奸诈背叛。
多用于正式或文学语境，指背信弃义的行为。通常指对信任的严重背叛，如政治、军事或个人关系中的背叛。
Of the two, only 'lechery' truly rhymes with 'treachery'. 'Treasury' shares the 'trea' spelling but sounds very different.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.
Watch the sound change