also: たんせいをこめる
expression, ichidan verb
take great pains; put one's heart into; do with great care
Often used adverbially as 丹精込めて or 丹精を込めて, meaning doing something with painstaking effort and devotion. Conveys a sense of heartfelt dedication.
See also: 込める
彼女は丹精込めて育てた花を市場に出荷した。
She shipped the flowers she had painstakingly grown to the market.
この料理はシェフが丹精込めて作ったものです。
This dish was prepared with great care by the chef.