To entrust a matter, responsibility, or decision to someone else; to leave something in another's care.
会社の運営は後任に委ねられた。
The management of the company was entrusted to his successor.
この問題の解決は専門家に委ねてください。
Please leave the resolution of this problem to the experts.
彼は子どもの教育を両親に委ねた。
He entrusted his child's education to his parents.
To abandon oneself to something (pleasure, anger, music, etc.); to yield or give oneself over to a state or activity.
休日は読書に身を委ねてゆっくり過ごした。
On my day off I gave myself over to reading and spent my time leisurely.
彼女は音楽に身を委ねて静かに歌った。
She surrendered herself to the music and sang quietly.
怒りに身を委ねると冷静な判断ができなくなる。
If you give in to anger, you lose the ability to judge calmly.