到晚年，他变得越来越不爱动了。

He became increasingly sedentary in later life.

《牛津词典》

他到晚年才成为作家。

He became an author late in life.

《牛津词典》

他从青年时代到晚年一直保持着强烈的社会良知。

He has sustained his fierce social conscience from young adulthood through old age.

《柯林斯英汉双解大词典》

He feels duty-bound to participate materially in this political controversy rather than merely remaining in his studious retirement, however pleasant that is, at his father's house.

他觉得自己有责任积极参与到,这场政治争端中来,而不是仅仅拘泥于晚年的学究生活，不管那种生活是多么的惬意。

耶鲁公开课 - 弥尔顿课程节选