refractory
adjective /rɪˈfræktəri/
/rɪˈfræktəri/
- (formal) (of a person
) difficult to control; behaving badly人 难以驾驭的;行为乖戾的 - (medical
) (of a disease or medical condition医学 ) difficult to treat or cure疾病或身体状况 难以诊治的;难以治愈的
词源early 17th cent.: alteration of obsolete refractary, from Latin refractarius ‘stubborn’ (see also refract).