a bad workman always blames his tools
拙匠 怨 工具
口语·批评推卸责任或找借口
英文释义
someone who is unable to do their job well will always find an excuse or scapegoat for their own failings
例句
He said the hammer was too heavy, but a bad workman always blames his tools.
典故来源
源自14世纪欧洲谚语，强调无能者常归咎于外部因素而非自身。