happen upon
US /ˈhæp.ən əˈpɑːn/
UK /ˈhæp.ən əˈpɒn/
短语动词
偶然发现, 碰巧遇到
to find or discover something or someone by chance
示例:
•
While cleaning the attic, I happened upon an old photo album.
打扫阁楼时,我偶然发现了一本旧相册。
•
We happened upon a charming little cafe while exploring the city.
我们在探索城市时偶然发现了一家迷人的小咖啡馆。