“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(qiáng)調(diào)親友故交的整體關(guān)系，用 **old friends and relatives** 更自然。
- 如果突出“舊識(shí)與親屬”的復(fù)合含義，可用 **longtime acquaintances and family ties**。

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