/ˈʌndər ðə hænd ənd sil/ – Phrase
Definition: có ký và đóng dấu.
A more thorough explanation: “Under the hand and seal” is a legal term that refers to a document that has been signed by the person whose signature appears on it (under the hand) and has been affixed with a seal to authenticate the document (under the seal). This term is often used to indicate that a document has been executed in a formal and legally binding manner.
Example: The contract was executed under the hand and seal of the parties involved.