/ɛk'stænt/ a. (现存的) still in existence; not destroyed, lost, or extinct Although the book is out of print, some copies are still extant. Unfortunately, all of them are in libraries or private collections; none are for sale.
/'hæknɪd/ a. Syn. commonplace (常见的,不希罕,陈腐) repeated too often; over familiar through overuse When the reviewer criticized the movie for its hackneyed plot, we agreed; we had seen similar stories hundreds of times before.
/ɪnkɒntrə'vɜrtɪb(ə)l/ a. Syn. indisputable (无疑的,无可争议的) indisputable; not open to question Unless you find the evidence against my client absolutely incontrovertible, you must declare her not guilty of this charge.