come upon

偶遇, 突袭, 突然产生

例句与用法：

The little girl had come upon the parish ever since her parents died.

小姑娘父母双亡后，就一直靠教区的接济生活。

I come upon a group of children play in the street.

我遇到一群孩子在街上玩耍。

Fear came upon her as she walked along the empty street.

她走在空荡荡的街上，突然产生一种恐惧。

I will try to avoid come upon my children in my old age.

我要尽力避免在晚年时成为孩子们的负担。

详细释义：

1. 突然产生

A good idea came upon me.

我突然想到一个好主意。

2. 偶然遇到

I came upon her in the bank last week.

我上星期在银行碰巧遇到她。

3. 降临

Fear came upon him as he waited.

他在等待时感到一阵恐惧。