preoccupation /,pri: okju'peijn; pri/akja'pejan/ n [U] state of mind in which sth takes up all a person's thoughts; [C] the subject, etc that takes up all his thoughts: 全神貫注; 出神; 使人全神貫注的事物; 急務(wù)： His greatest ~ was how to find money for a holiday in Europe. 他的首急之務(wù)是如何 ai 錢去歐洲度暇。