attest
🇺🇸
/əˈtest/
🇬🇧
/əˈtest/
to provide evidence or proof for something
The old documents attesting the existence of the ancient city were discovered in the museum.
在博物館中發現了證明這座古城存在的古老文件。
to confirm or assert something as true
The lawyer attested that the witness was telling the truth.
律師證實證人在說真話。