That'll be the day"That'll be the day" 作为一个俚语，意思不能按字面理解。它在口语中是一种暗示或者讽刺的用法。它起源于二十世纪五十年代的一首流行歌曲《That'll Be the Day》。
2.I'm a bit disappointed in John and David. It turned out they were only fair-weather friends. 我对约翰和大卫有点失望，原来他们不过是靠不住的酒肉朋友。3. We don't have
“When the sun rises， it rises for everyone.” This Cuban proverb is simple， but yet profound. It reminds us that each day is a new beginning for each one of us， and we are given equal time each day， it is up to us to make the best use of our day.
Some have even questioned the story about the apple that fell on Newton’s head and led him to come up with his theory of gravity. 有些人甚至质疑那个苹果掉到牛顿头上导致他提出万有引力理论的故事。
