pertinacious

pertinacious
[ˌpəːtɪˈneɪʃəs]
adjective
  1. (formal)holding firmly to an opinion or a course of action
    (正式)坚持的,锲而不舍的,顽强的
    he worked with a pertinacious resistance to interruptions.
    他顽强地坚持不间断地工作。
派生
pertinaciously
adverb
pertinaciousness
noun
pertinacity
noun
语源
  1. early 17th cent.: from Latin pertinax, pertinac- 'holding fast' + -ous
英语宝典
考试词汇表