I happened to meet her on my way to school yesterday.这里happen
问题描述：
I happened to meet her on my way to school yesterday.这里happen
答
happen to do 碰巧做
我昨天在去学校的路上碰巧遇到她了
答
happened to meet 碰巧遇到
答
happen to do sth 碰巧做某事
昨天我在上学的路上碰巧遇见她。
答
昨天我在上学的路上碰巧遇到了她。
happened to 碰巧
答
昨天,在去学校的路上我偶然遇到了她.happen to 是“偶然”的意思