The act of mutually hindering each other's success or progress; an idiom for situations where people undermine one another rather than cooperate.
プロジェクトがうまくいかないのは、メンバー同士の足の引っ張り合いが原因だ。
The project is failing because the team members are holding each other back.
政治の世界では足の引っ張り合いがしばしば見られる。
In politics, it's often seen that people try to undermine one another.
友達同士で足の引っ張り合いをしても誰も得しない。
If friends hold each other back, nobody benefits.