相关单词同義詞tough, unremitting, 近義詞 tenacious 抓緊的, resolute 堅決的, undaunted 不屈不撓的, patient 有耐心的, constant 不變的, relentless 冷酷無情的, stony 石頭的, assiduous 勤勉的, diligent 勤奮的, persistent 堅持的, determined 堅定的, resolved 下定決心的, dogged 頑固的, obstinate 固執的, stubborn 頑固的, insistent 堅持的, staunch 堅定的, unrelenting 不屈不撓的, tireless 不知疲倦的, enduring 持久的, unwavering 不動搖的, steadfast 堅定的, purposeful 有目的的, dedicated 專注的, devoted 投入的臨近詞pers, Persat 返回 persevering