信しん頼らい関かん係けい

noun

relationship of mutual trust; fiduciary relationship

Refers to a bond built on trust, often used in personal, professional, or legal contexts. The gloss 'fiduciary relation' is a technical legal term.

• ビジネスでは、信しん頼らい関かん係けいが何なによりも大たい切せつだ。

  In business, a relationship of mutual trust is more important than anything.

• 長なが年ねんの信しん頼らい関かん係けいが、あの事じ件けんで崩くずれてしまった。

  Their long-standing trusting relationship fell apart because of that incident.