1. Why did the calendar look stressed?
為什麼日曆看起來壓力很大？
Its days were numbered!
它的日子不多了！
詳解： 片語 "days are numbered" 意思是「時日無多、所剩時日不多」。日曆上的「日子」(days) 本來就是被編號 (numbered) 且有限的。


2. Why did the coffee taste like mud?
為什麼咖啡嚐起來像泥巴？
Because it was ground a few minutes ago!
因為它是幾分鐘前才磨的！/ 因為它是幾分鐘前在地上！
詳解： "Ground" 既是動詞 "grind"（研磨）的過去分詞（咖啡豆需要研磨），也是名詞「地面」的意思。


3. Why did the singer climb a ladder?
為什麼歌手要爬梯子？
To reach the high notes!
為了達到高音！/ 為了到達高處的音符！
詳


4. Why did the man put his money in the freezer?
為什麼那個人把錢放進冷凍庫？
He wanted cold hard cash!
他想要冰冷的硬現金！
詳解： "Cold hard cash" 是指「現金、現款」。"Cold" 本身就是「冷的」意思，把錢放進冷凍庫就變成了「冰冷的」現金。

5. Why was the math book crying?
數學書為什麼在哭？
It had too many problems!
因為它有太多問題了！
