“戚舊”可以翻譯為 **old friends and relatives** 或 **longtime acquaintances and family connections**。

具體選擇取決于上下文：
- 如果強調親友故交的整體關系，用 **old friends and relatives** 更自然。
- 如果突出“舊識與親屬”的復合含義，可用 **longtime acquaintances and family ties**。

例句：
- 他回鄉探訪戚舊。
He returned to his hometown to visit old friends and relatives.