心こころを砕くだく

expression, godan verb (-ku)

take great pains; make every effort; rack one's brains

Emphasizes mental effort and worry directed toward a task or problem; often implies sustained, anxious striving.

• 彼かれは問もん題だいの解かい決けつに心こころを砕くだいている。

  He is racking his brains over the solution to the problem.

• 母はははいつも家か族ぞくの健けん康こうに心こころを砕くだいている。

  My mother always takes great pains over the family's health.

expression, godan verb (-ku)

be concerned; worry

Focuses on the emotional state of being worried or concerned about someone or something, rather than the effort itself.

• 彼かの女じょは子こ供どもの将しょう来らいに心こころを砕くだいている。

  She is worried about her child's future.