/ə'sɪdjʊəs/;/ə'sɪdʒʊəs/ a. Syn. diligent; persistent (勤奋) constant in application or attention; diligent; unceasing or persistent He was assiduous, working at this task for weeks before he felt satisfied with his results.
/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.
/'meɪlstrəm/ n. Syn. whirlpool (漩涡) whirlpool; powerful circular current of water The canoe was tossed about in the maelstrom, it had to leave the dangerous water quickly.