身みを入いれる

expression, ichidan verb

put one's heart into; apply oneself to; devote oneself to

Used when someone engages in an activity with serious effort, concentration, or passion. Often followed by ～に or ～して.

• 彼かれは仕し事ごとに身みを入いれている。

  He puts his heart into his work.

• もっと勉べん強きょうに身みを入いれなさい。

  Apply yourself more to your studies.