每日商务英语 第537期:筋疲力尽

dead tired---------筋疲力尽（俚语）

英文释义
(SLANG) Exhausted.

例句
After walking all day in the foreign city, the group of tourists were dead tired when they returned to their hotel.
在这个外国城市走了一整天后，这群旅游者在回到旅馆时已经筋疲力尽。