devote oneself heart and soul to ...; be thoroughly engrossed in ...; be wedded to ...; do sth. with a will; bone ;
例句:
1.微软需要专心致志于一种不同的搜索：为旗下在线搜索业务必应寻找买家。
Microsoft needs to concentrate on a different kind of search: finding a buyer forbing, its online search business.2.为了更加专心致志地服务“上帝”，一些公司开始设立首席客户官(cco)一职。
So some firms have started appointing chief customer officers ( ccos) to serve theking more attentively.3.伟大的运动员，音乐家，作家，和其他在各自的领域中取得杰出成就的人几乎都会有固定的时间和地点来进行专心致志的思考与实践。
Great athletes, musicians, writers, and others who excel in their chosen fieldnearly always have set times and places for concentrated thinking and practice.4.节约时间，仅从时间概念上延长寿命的话，有两种方法，一是节省时间(多利用空余时间)，另一种是提高效率(做事要专心致志)。
Extend only from the time the concept of life, then there are two ways, first, to savetime ( and more use of free time), and the other is to improve the efficiency ( doingthings to concentrate).5.不过，尽管在麻生接受采访期间，专心致志的官员站在旁边修正其不恰当的言语，并通过简要的笔记为他提供指导，但这位首相在阐释激进的财政刺激计划背后的基本原理时，却无需任何提示。
However, while attentive officials stood by during mr aso's interview to correct oralinfelicities and guide him through briefing notes, the prime minister needed noprompting to lay out the rationale behind plans for an aggressive fiscal stimulus.
