1·While they were traveling, they happened to pass by a river.
他们在旅行的时候，恰巧经过一条河。
2·One day, when he finished delivering the letters and was ready to return, he happened to pass by a flower shop.
一天，当他送完信准备回去时，碰巧经过一家花店。
3·Just then, the little mouse happened to pass by.
就在那时，小老鼠碰巧经过。
4·She was seen to pass by the window.
她被看见从窗边经过。
5·Turned an eye to pass by for half year!
转眼间半年过去了！
6·You think too much, I just happened to pass by.
你想多了，我仅仅恰好途经。
7·I wished her to pass by and not to sit on my bench.
我希望她能走过去，不要坐在我的长椅上。
8·I knew it was only a small hole that was easy to pass by.
我知道这只是一个小孔说，很容易通过的。
9·The shadow crawls along to pass by slowly from our bodies.
阴影从我们的身上缓缓地爬行过去。
10·If you happen to pass by me, I will say: hi, are you here too?
如果你恰巧路过我身边，我会说：嗨，你也在这里吗？