相关单词同義詞tough, indefatigable, tireless, 近義詞 constant 不變的, assiduous 勤勉的, undaunted 不屈不撓的, tenacious 抓緊的, tireless 不知疲倦的, determined 堅定的, dogged 頑固的, indefatigable 不知疲倦的, steady 穩定的, persistent 堅持的, patient 有耐心的, hardworking 努力工作的, industrious 勤勞的臨近詞UNCCD, UN, unending circulation, unmatch record check, uncontrolled missile, Unpollinated ovaries, unmortgaged property, un-get-at-able, untreated wastewater, Unna-Taenzer stain, unregulated variable, unexectued agreement相似詞until, until all hours idiom, until you are blue in the face idiom, untimely, untitled, unto, unto thine own self be true idiom, untogether, 返回 untiring