Stumble upon
偶然发现
🧩 词语组成解析
stumble
['stʌmbl]
vi. 跌跌撞撞地走，蹒跚;结巴;弄错，失足;偶然碰见;
n. 绊脚，失足;差错，失误;过失，失败;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
It's the biggest company in the country.
它是全国最大的。
Public money is like holy water, every one helps himself to it.
公款如圣水，人人都要尝一嘴。
He lacks courage.
他缺乏勇气。