jawbreaker
noun [ C ] uk/ˈdʒɔːˌbreɪ.kər/ us/ˈdʒɑːˌbreɪ.kɚ/
(SWEET)
US (also mainly UK gobstopper)大块硬糖，大块糖球
a large, hard, round sweet
(LANGUAGE)
UK informal绕口令（同 tongue twister）
a tongue-twister
US and Australian English informal难发音的词，拗口的词
a word that is difficult to pronounce