ad hoc
/ˌæd ˈhɒk; `æd`hɑk/ adj, adv (Latin 拉) 1 (made or arranged) for a particular purpose only; special(ly) 仅为某一目的（而做或安排）（的）; 特别（的）: appoint an ad hoc committee to deal with the affair 指定一特别委员会处理此事. 2 (in a way that is) not planned in advance; informal(ly) 非事先计划（的）; 非正式（的）: Problems were solved on an ad hoc basis. 做了一些变通问题便解决了. * Points of policy are decided ad hoc. 政策的条款是临时决定的.
