testifyKK [ˋtɛstəˏfaɪ] /ˈtɛstəˌfaɪ/動詞1作證、出庭作證法律She agreed to testify against her former employer in court.她同意出庭作證,指控她的前僱主。2證明、顯示、印證多與 to 連用The long lines outside testify to the restaurant's popularity.外面排的長隊證明了這家餐廳很受歡迎。3陳述、證言正式Several experts will testify before the committee next week.下週有幾位專家將在委員會前作證陳述。