Anno Domini
noun [ U ] uk/ˌæn.əʊˈdɒm.ɪ.naɪ/ us/ˌæn.oʊˈdɑː.mə.ni/
（在）耶稣纪元，（在）公元（拉丁语，略作AD）
a Latin phrase meaning "in the year of the Lord", the full form of the abbreviation AD, which is used when referring to a year after Jesus Christ was born
UK informal衰老之年
a way of referring to the fact that time is passing and that someone is getting older
He was a champion and he refused to be beaten by Anno Domini. 他获得过冠军，不甘心被年龄打败。