短語詞組短語painstaking a 勞苦的;艱苦的;苦干的;刻苦的painstaking ? 辛勤的Extremely Painstaking 極其辛苦painstaking struggle 艱苦奮斗Really painstaking 真辛苦painstaking effort 心血;辛苦的努力;不辭辛勞的努力 返回 painstaking