心こころを疲つからす

expression, godan verb (-su)

to fatigue one's mind; to mentally exhaust oneself

Describes the act of tiring out one's mind, often through worry, overthinking, or mental strain. The verb 疲らす is a less common transitive form of 疲れる; the more usual expression is 心を疲れさせる.

• 彼かれは細こまかいことを気きにしすぎて、心こころを疲つからしてしまった。

  He worried too much about small things and fatigued his mind.