US: /ˈtɛstəˌfaɪ/
UK: /tˈɛstɪfˌa‍ɪ/

English Vietnamese dictionary

testify /'testifai/
  • ngoại động từ
    • chứng tỏ, tỏ ra, biểu lộ, chứng thực
      • hes tears testified her grief: những giọt nước mắt biểu lộ nỗi đau buồn của cô ta
    • chứng nhận, xác nhận
    • nội động từ
      • (pháp lý) khai, làm chứng, chứng nhân
        • to testify against: làm chứng chống, làm chứng buộc tội

    Advanced English dictionary

    + verb (testifies, testifying, testified, testified)
    1 ~ (against / for sb)
    ~ (to / about sth) to make a statement that sth happened or that sth is true, especially as a WITNESS in a court of law: [V] She refused to testify against her husband. + There are several witnesses who will testify for the defence. + He was summoned to testify before a grand jury. + [V (that)] He testified (that) he was at the theatre at the time of the murder. [also V speech]
    2 [V (that)] to say that you believe sth is true because you have evidence of it: Too many young people are unable to write or spell well, as employers will testify.
    3 [V] (especially AmE) to express your belief in God publicly
    Phrasal Verbs: testify to sth (formal) to show or be evidence that sth is true
    Synonym: EVIDENCE
    The film testifies to the courage of ordinary people during the war.

    Thesaurus dictionary

    state, aver, assert, attest, swear, say, affirm, declare, give evidence or testimony, bear witness, avow, vouchsafe, proclaim, announce:
    He testified that he saw you there. Is your mother going to testify at the trial? The fingerprints testify to the fact that she was here.

    Collocation dictionary


    be prepared to, be willing to | be unwilling to, refuse to | call sb to, force sb to
    The president's former aides were called to testify at his trial.


    She refused to testify against her brother.
    | before
    She was unwilling to testify before Congress.
    | for
    a Mafia member who was prepared to testify for the authorities
    | to
    A senior officer testified to the existence of police hit squads. A large number of witnesses testified to the tribunal.


    testify in court

    Concise English dictionary

    +give testimony in a court of law
    +provide evidence for