obstinate
/ˈɒbstɪnət/adjective
1- stubbornly refusing to change one's opinion or chosen course of action, despite attempts to persuade one to do so顽固的, 固执的; 倔强的。
1.1
- (of an unwelcome phenomenon or situation) very difficult to change or overcome（不良现象或情况）难改变的; 难克服的; 根深蒂固的：
the obstinate problem of unemployment.
失业这个顽固的难题。
派生词
obstinacy
nounobstinately
adverb词源
Middle English: from Latin obstinatus, past participle of obstinare 'persist'.