keep going by painstaking effort的意思|示意
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经营惨淡
keep going by painstaking effort的网络常见释义
煞费心思 ... [desolate] 悲惨凄凉 [keep going by painstaking effort] 煞费心思,着意布置、谋划和管理某项事业 [cruel and vicious] 残酷狠毒 ...