不倫

1. Origins, structure, and basic meaning

• Structure: 不倫, read ふりん, refers in these examples to an affair outside marriage.
• Basic usage: It works as a noun and as a verb in 不倫する.

2. Common pitfalls and similar expressions

• Presenting a cause
  • 不倫によって揺れる家族 describes a family shaken by an affair.
  • Here, によって marks the cause.
• Who confided and who listened
  • 友人から identifies the friend as the person making the disclosure.
  • 不倫していることを打ち明けられた means being told in confidence about an ongoing affair. Do not reverse the roles and make the protagonist the person disclosing it.