/ɪn ˈwɪtnəs ˈwɛrʌv/ – Phrase
Definition: xác nhận điều gì đó, chứng thực điều gì đó.
A more thorough explanation: “In witness whereof” is a legal Phrase used in contracts and legal documents to introduce the clause that identifies the parties involved in the agreement and signifies that they are signing the document as witnesses to their agreement. It is often followed by the signatures of the parties involved.
Example: In witness whereof, the parties have executed this agreement on the date first above written.