骨ほねを折おる

expression, godan verb (-ru)

make efforts; take pains; go to trouble

Idiomatic expression meaning to put in considerable effort or trouble, often for someone else's sake. Used in both positive and negative contexts.

• 彼かれは友とも達だちのために骨ほねを折おってくれた。

  He went to a lot of trouble for his friend.

• この企き画かくを成せい功こうさせるために骨ほねを折おった。

  I made great efforts to make this project a success.

expression, godan verb (-ru)

break a bone

Literal meaning: to fracture a bone. Less common than the idiomatic sense, but still used in medical or injury contexts.

• 転ころんで腕うでの骨ほねを折おってしまった。

  I fell and broke a bone in my arm.