어떠한 망설임이나 보류 없이 진심을 다하고 전폭적으로.
With complete sincerity, enthusiasm, and commitment; without any reservation.
예문:
"She wholeheartedly embraced the new challenge, spending every weekend researching the project."
"The board of directors wholeheartedly approved the CEO's proposal for expansion."
"I can wholeheartedly recommend this restaurant for its exceptional service and authentic flavors."