（專心） wholeheartedly; heart and soul
set one's mind on; be obsessed with the idea of; be bent on
一心想[要]
wholehearted devotion to the revolution; complete dedication to the revolution
一心為革命
work for the people's interests heart and soul
一心專為人民謀福利
Millions of people are all of one mind.
萬眾一心。