I forwarded the customer's complaint to my supervisor, who will reply by Friday.

我把那位客戶的投訴轉寄給我的主管，他會在週五前回覆。

All overtime hours must be approved by your direct supervisor in advance.

所有加班時數都必須事先經過你的直屬主管核准。

The warehouse supervisor checked every shipment before it left the loading dock.

倉庫主管在每批貨物離開裝卸區之前都逐一檢查過。