短語(yǔ)詞組短語(yǔ)painstaking a 勞苦的;艱苦的;苦乾的;刻苦的painstaking ? 辛勤的Extremely Painstaking 極其辛苦painstaking struggle 艱苦奮鬭Really painstaking 真辛苦painstaking effort 心血;辛苦的努力;不辤辛勞的努力 返回 painstaking