it is a poor workman who blames his tools
埋怨工具不好的人是差劲的工人
口语·批评推卸责任
英文释义
An incompetent person will often make excuses or shift blame onto their tools or equipment rather than admitting their own lack of skill.
例句
He said his brush was bad, but it's a poor workman who blames his tools.
典故来源
源自中世纪工匠谚语，强调技能不足者常归咎于工具，而非自身能力。