/tə ˈsɜrtəˌfaɪ ði ɔˈθɛntɪˌsɪti ʌv ˈsɪgnətʃər/ – Phrase
Definition: chứng thực chữ ký.
A more thorough explanation: To certify the authenticity of a signature means to confirm or verify that a signature on a document is genuine and has been signed by the person purported to have signed it. This certification is typically done by a notary public or other authorized individual who has witnessed the signing of the document.
Example: The notary public was asked to certify the authenticity of the signature on the legal document.
