相关单词同义词difficult, resistant, hard, stubborn, 近义词 stony 石头的, iron 熨斗, chill (使)变冷, backward 向后的, inflexible 不可弯曲的, obstinate 固执的, stubborn 顽固的, unyielding 不屈的, pigheaded 固执的, unbending 不妥协的, adamant 坚定不移的, immovable 固定的, stiff-necked 顽固的, hardhearted 硬心肠的, callous 麻木的, unfeeling 无情的, heartless 无情的, hard-boiled 煮透的, pitiless 无情的, unsympathetic 不表同情的, ruthless 残忍的, unrepentant 不后悔的, cussed 执拗的, flinty 燧石的, granitic 花岗石的, flint 打火石临近词OBE, OB, obdurately, obdurate a.相似词oats, OB, ob-gyn, Obamacare, obedience, obedient, obeisance, obelisk, 返回 obdurate