诚心诚意: make sth. a matter of conscience; earnestly and sincerely; from the bottom of one's [the] heart; in good earnest; with all one's heart; with heart and soul; with one's whole heart
帮助: help; aid; assist; assistance 短语和例子没有多大帮助 be of little help; not be much help;帮助消化 help digestion; 你的劝告对我大有帮助。 your advice was a great help to me. 他要我们帮助他实施他们的计划。 he asked us to assist him