喻指年尊位长者品行不端正，年幼位卑者自然仿效他也不端正those in subordinate positions follow the bad example set by their superiors; if the beam on top is not set right, the beam below will be crooked

• 俗话说“上梁不正下梁歪”，只有领导自己率先垂范，才能建立起自身的威信。

  As the saying goes, "if the beam on top is not set right, the beam below will be crooked": only when leaders forge ahead and set an example can they build their prestige.

• “一把手”要自觉加强廉政建设，不然就可能会导致“上梁不正下梁歪”，直接影响整个班子。

  The boss needs to voluntarily enhance the building of clean government, otherwise they may set a bad example to their subordinates and directly affect the entire team.