old通常的比较级和最高级分别是older, oldest。可用于人或物，可用作表语或定语，可与 than 连用。如：
He is older by five years than me. 他比我大5岁。
The next oldest building is the church. 第二古老的建筑物是那个教堂。
This is the oldest Chinese manuscript in existence. 这是现存的最早汉语手稿。
Many representatives of the older generation were there. 老一辈的各类人都在那里。
As one grows older one’s memory declines. 人的记忆力随着年龄增长而衰退。
As she got older, she became more and more fond of comfort. 随着年龄的增长，她更喜欢舒适的生活。