/ˈsɜ:tɪfaɪ ||; ˈsɝtəˌfaɪ/verb [T] (
present participle certifying third person singular present certifies;past tense past participle certified)
1 to say formally that sth is true or correct 证实；证明: We need someone to certify that this is her signature. 我们须有人来证明这确实是她的签名。
2 to give sb a certificate to show that he/she has successfully completed a course of training for a particular profession 发给证书（以证明修毕某种专业课程）: a certified accountant 持有证书的合格会计师