全心全意 (quán xīn quán yì): Wholeheartedly / with all one's heart and soul — Meaning & Stroke Order

He devoted himself wholeheartedly to this public welfare cause.

She wholeheartedly takes care of her elderly parents without ever uttering a single complaint.

The company management promised to wholeheartedly safeguard the legitimate rights and interests of the employees.

This doctor serves patients wholeheartedly.