spending his dotage in a riverside cottage在河边一间小屋中度过老弱之年

my neighbours Lois and Marlene, former showgirls now in their dotage我邻居洛伊丝和马琳——早先为歌舞女郎, 现在都已至老朽之年

Even in his dotage, the Professor still sits on the committee.即使已经年老昏聩, 那位教授仍然出任委员会委员。