会かい心しんの作さく

expression, noun

work after one's heart; one's masterpiece

A set phrase meaning a work that fully satisfies its creator; often used for artistic or literary works.

• この絵えは彼かれの会かい心しんの作さくだ。

  This painting is his work after his own heart.

• 会かい心しんの作さくができて、とても嬉うれしい。

  I'm very happy to have created a work that satisfies me.