any item of a specified type (used to show that no particular or special individual is in question)
（用于表示无特殊个体）任意一个
any old room would have done.
随便一间房就行。
in no particular order
随意地
they've dropped things just any old how.
他们把东西随意丢置。
of very long standing or very great age (often used in exaggerated statements)
（常用作夸张）和山一样老
in or belonging to the past
过去的
he was more reticent than of old.
他比过去更加沉默。
starting long ago; for a long time
古老的；年代久的
they knew him of old.
他们认识他很久了。
a period in the past, often seen as significantly different from the present, especially noticeably better or worse
以前；从前；昔日
it was easier in the old days.
在以前要容易多了。
we are less confident than in the good old days.
我们不像从前好日子里那么自信了。
the bad old days of incoherence and irresponsibility.
过去那些松散、不负责任的糟糕日子。
(informal)of a much greater age than someone (especially used to suggest that a romantic or sexual relationship between the people concerned is inappropriate)
(非正式)老得可以当某人的父亲（或母亲）
(informal)(in Scotland) a name for Celtic and Rangers Football Clubs, either singly or collectively
(非正式)（苏格兰）“老字号”（凯尔特及流浪者足球俱乐部的别称）［单指其中之一或指两者］
[as modifier]an Old Firm match.
一场“老字号”足球俱乐部比赛。
(proverb)you can't expect a young person to have the wisdom or maturity associated with older people
(谚)你不能指望年轻人有老人的头脑