/mɛsɪdʒ ʌv kənˈdoʊləns/ – Phrase
Definition: thư chia buồn.
A more thorough explanation: A “message of condolence” refers to a written or verbal expression of sympathy and sorrow offered to someone who has experienced a loss or bereavement, typically in the form of a letter, card, email, or verbal communication.
Example: I am writing to express my deepest condolences on the passing of your loved one.