故旧的英文：
old friends and acquaintances
- To pay calls to old friends
访候故旧 - Old friends have scattered like stars
故旧星散 - You can't run a factory properly when it's chock-full of relations and old friends!
“亲戚故旧塞满了一个厂，那厂断乎办不好的！” - This friend and Sir Walter did not marry, whatever might have been anticipated on that head by their acquaintance
不管亲朋故旧如何期待，这位朋友与沃尔爵士并未成亲。
adj. 年老的；陈旧的；古老的；以前的；原来的
n. 古时
- The Old Mandarin
老官吏 - You old misery!
你这个爱抱怨的老家伙！ - It is an old aphorism.
这是一句老格言。
n. [friend] 的复数
- A friend in need is a friend indeed.
患难之交才是真正的朋友。 - Thy friend has a friend and thy friend's friend has a friend so be discreet
你的朋友有朋友,朋友的朋友又有朋友,所以要谨慎小心 - We / You / They are friends.
我们/你们/他们是朋友。 [are 的略写形式为“'re”，如： you're, We're, They're]
n. 相识的人，熟人；认识；了解
- I am not acquainted with the lady.
我不认识那位女士。 - She is not a friend, only an acquaintance.
她不是朋友，只是一位相识的人。 - He is an acquaintance of mine.
他是我的一个熟人。