やるかたない

expression, i-adjective

unable to vent one's feelings; having no outlet for one's emotions

Used after a noun expressing a negative emotion (e.g., 悔しさ, 悲しみ) to mean that the feeling is so strong one cannot find relief or expression. Often implies a sense of helplessness or frustration.

• 悔くやしさやるかたない思おもいでいっぱいだ。

  I'm filled with frustration that I can't vent.

• 悲かなしみやるかたなく、ただ涙なみだがこぼれた。

  With grief I couldn't relieve, tears just spilled out.