1.
I happened to see him this morning.
今天早上我碰巧看见他。
2.
Our choice fell on him.
我们碰巧选中了他。
3.
She happened not to have seen the note.
她碰巧没看见这张条子。
4.
are you doing anything this evening, by any chance?
你今天晚上碰巧有事吗?
5.
It so happened / chanced that I' d met her a few years before.
碰巧我几年前见过她.
6.
The boy happened to be seeing the play.
那小孩碰巧在看戏。
7.
happen along
[口]碰巧来到, 恰好出现
8.
There chanced to be someone there I knew.
在那里碰巧我有认识人。
9.
Coincidentally, he was also a teacher.
他碰巧也是名教师。
10.
They happened to hear what their stepmother had planned.
碰巧听到了继母的打算。
11.
One day she happened to run across Xiao liu.
有一天她碰巧见到小刘了。
12.
Sometimes succeeding and sometimes not.
碰巧的有时成功或有时不成功的
13.
One day a fox happened to fall into a deep well.
有一天，一只狐狸碰巧掉进一口深井里。
14.
Do you happen to know her trouble ?
你有碰巧知道她的麻烦事吗？
15.
I just happen to have all the same classes as my ex-boyfriend.
我上的课碰巧跟我前任男友完全一样。
16.
It happens to be a rather confidential sort of thing."
碰巧是一件相当机密的事。”
17.
It happens that I received the letter this morning.
碰巧我今天早上收到了信。
18.
Unless they happen to be familiar with Chinese customs,
除非碰巧熟悉中国人的习俗，