后面加介词in，例如：
1、The parents were active in campaigning against cuts to the education budget.学生家长积极参加反对削减教育预算的活动。
2、The Church and the laity were increasingly active in charity work教会与俗众越来越积极参与慈善工作。
加介词in，中文意思是，积极于
Archbishop Hunthausen also vocalized his beliefs that women and homosexuals should be more active in the church.大主教亨特豪森也阐述了他的想法：妇女和同性恋者应更积极地参与教堂事务。
He was to remain active in the association， latterly as vice president， for the rest of his life.
