I am on my graveyard shift.

我正在上大夜班。

The graveyard shift starts at midnight.

大夜班从午夜十二点开始。

Mr. A started working the graveyard shift last month.

先生上个月开始上夜班。

To fill the graveyard shift, hospitals sometimes resort to the draft.

装满墓地，医院有时候会把征兵制度作为最后手段。

She needed someone on the graveyard shift, 11 at night until seven in the morning.

她需要人来值夜班，从晚上11点到早上7点。