/tə ˈliːɡəˌlaɪz ðə ˈsɪɡnətʃər/ – Phrase
Definition: chứng thực chữ ký.
A more thorough explanation: To “legalize the signature” typically refers to the process of verifying or authenticating a signature on a document in accordance with legal requirements. This may involve having the signature witnessed by a notary public or another authorized individual, or obtaining an apostille or similar certification to confirm the validity of the signature for use in a foreign country.
Example: The notary public was asked to legalize the signature on the document to ensure its authenticity.