Throw a curveball 出乎意料地做某事
e.g. He threw me a curveball when he suddenly decided to quit his job. 他突然決定辭職，讓我措手不及。
e.g. She threw me a curveball by asking me to maarry her. 她突然向我求婚，讓我措手不及。
e.g. Life is full of curveballs, so you have to be prepared for anything. 生活充滿了意外，所以你必須做好任何準備。
Emma_0e
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