後面加介詞in，例如：
1、The parents were active in campaigning against cuts to the education budget.學生家長積極參加反對削減教育預算的活動。
2、The Church and the laity were increasingly active in charity work教會與俗衆越來越積極參與慈善工作。
加介詞in，中文意思是，積極於
Archbishop Hunthausen also vocalized his beliefs that women and homosexuals should be more active in the church.大主教亨特豪森也闡述了他的想法：婦女和同性戀者應更積極地參與教堂事務。
He was to remain active in the association， latterly as vice president， for the rest of his life.
