つのをためてうしをころす

角を矯めて牛を殺す

表記・読み：角をためて牛を殺す・つのをためてうしをころす

1. 1

   to throw the baby out with the bath water; to strain at a gnat and swallow a camel; to obsess over insignificant details and miss the larger point; to straighten the horns and kill the cow

   expressions (phrases, clauses, etc.)五段動詞（す）idiomatic expression