/fɪˈduʃiˌɛri rɪˈleɪʃən/ – Phrase
Definition: quan hệ tín thác.
A more thorough explanation: A fiduciary relation is a legal relationship in which one party (the fiduciary) is entrusted with the duty to act in the best interests of another party (the beneficiary) with respect to matters within the scope of the relationship. The fiduciary is required to exercise loyalty, good faith, and care in carrying out their responsibilities, and is held to a high standard of trust and confidence.
Example: The attorney had a fiduciary relation with her client, requiring her to act in the best interests of the client at all times.