expression, ichidan verb
put one's heart into; express one's feelings; show affection
Often used in the forms 思いを込めて (with feeling) or 思いを込めた (heartfelt). Conveys putting sincere emotion, love, or care into an action or gift.
See also: 込める (こめる) · 思い (おもい)
母の誕生日に、思いを込めて手紙を書いた。
I wrote a letter with all my heart for my mother's birthday.
He gave her the ring with deep affection.