/kəˈlætərəl ˈsɜːrkəmstəns/ – Phrase
Definition: tình tiết phụ.
A more throughout explanation: Collateral circumstance refers to a fact or event that is related to a case or situation but is not directly connected to the main issue at hand. It is a secondary or incidental factor that may be considered in the context of a legal matter.
Example: The defendant argued that the witness’s relationship with the victim was a collateral circumstance and should not be considered relevant to the case.