力ちからこぶを入いれる

expression, ichidan verb

put a lot of effort into; take a strong interest in; put great emphasis on; show zeal for

Idiomatic expression literally meaning 'to put a muscle knot into something', used when someone exerts great effort, enthusiasm, or emphasis on a task or cause.

• 彼かれは仕し事ごとに力ちからこぶを入いれている。

  He puts a lot of effort into his work.

• 政せい府ふは教きょう育いく改かい革かくに力ちからこぶを入いれ始はじめた。

  The government has started to put great emphasis on educational reform.