Just then, the little mouse happened to pass by.
就在那时，小老鼠碰巧经过。
我恰好从旁边经过。
You think too much, I just happened to pass by.
你想多了，我仅仅恰好途经。
I happened to pass by when the boy fell into the river.
那个男孩掉到河里的时候，我碰巧经过。
I happened to pass by when the boy fell into the river.
当那个男孩落水的时候我碰巧经过。
At this moment, a poor man in rags happened to pass by.
这时候，恰巧前面走来一个穷人，穿着破衣破裤。
The cops just happened to pass by and now I'm on my own.
警察刚好经过那里，现在只剩下我一个人了。
I happened to pass by the Grand Theater and see the poster.
我碰巧经过大戏院并看到海报。
I happened to pass by the Grand Theater and see the poster.
我碰巧经过大戏院并看到海报。
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