1
disloyalty to + noun phrase
His disloyalty to the company was shocking.
他对公司的不忠令人震惊。
不忠；不忠诚
先理解核心含义，再看它在真实句子里的用法。
不忠；不忠诚
The quality or state of being disloyal; lack of faithfulness or loyalty.
His disloyalty to the company was shocking.
他对公司的不忠令人震惊。
不忠的行为；背叛,背信
An act of being disloyal; a betrayal, faithbreach.
不忠诚的品质
the quality of being disloyal
不忠；不忠诚的品质。
The quality of being disloyal.
She could not forgive his disloyalty when he shared her secret with others.
他把她秘密告诉别人，她无法原谅他的不忠实。
The spy was executed for disloyalty to his country.
这名间谍因对国家不忠而被处决。
Disloyalty among team members can destroy trust and cooperation.
团队成员之间的不忠诚会破坏信任与合作。
His disloyalty to the company was shocking.
他对公司的不忠令人震惊。
She saw his comment as an act of disloyalty.
她将他的言论视为不忠行为。
They accused him of disloyalty to the party.
他们指责他对党不忠。
Not this
He is disloyalty to his family.
Use this
He is disloyal to his family.
disloyalty是名词，不能作表语；应使用形容词disloyal。
Not this
His disloyalty for the company was unacceptable.
Use this
His disloyalty to the company was unacceptable.
表示'对……不忠'时，disloyalty后接介词to，而非for。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不忠行为
Revealing company secrets was an act of disloyalty.
泄露公司机密是一种不忠行为。
被怀疑不忠
Many officers were suspected of disloyalty.
许多军官被怀疑不忠。
对祖国的不忠
They viewed the leak as disloyalty to their country.
他们认为这次泄密是对祖国的不忠。
不忠的指控
She denied the accusations of disloyalty.
她否认了不忠的指控。
政治不忠
The regime treated any dissent as political disloyalty.
该政权将任何异议都视为政治不忠。
不忠的证据
The committee found no evidence of disloyalty.
委员会没有发现不忠的证据。
Use disloyalty naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
disloyalty = dis + loyalty，忠诚（loyalty）前加dis表否定，联想：忠诚被拆掉，剩下的就是不忠与背叛。
语域：neutral 常见场景：政治与公共事务、职场与组织关系、私人信任问题 该词为中性词，多用于正式或严肃的语境，如政治忠诚、职场纪律、人际关系中的背叛；日常口语中更常用 betrayal 来表达同样的意思，比较自然。
常与to连用，表示对某人的不忠。
Dictionary facts from ECDICT, WIKTIONARY.