碰巧

I came across him in the street yesterday.

昨天我碰巧在街上遇到了他。

I see this web page of you by chance.Maybe My leaving is an act of god.

我碰巧看到了你的网页可能我的离开是上帝指使。

I alight ed just the book I needed in the library.

我在图书馆碰巧遇上我正在找的那本书。

Anastasia:As it happens, so have I.

阿纳斯塔西亚：碰巧我也是。

I know the answer to your question as it happens.

我碰巧知道你那道问题的答案。

I saw him yesterday as it happens.

我昨天碰巧见到了他。

I just know the answer of your problem as it happens.

我碰巧知道你那道问题的答案。

I know the answer of that question as it happens.

我碰巧知道你那道问题的答案。

As it happens, I have left the book at home.

我碰巧把书忘在家里了。

This lucky is not exist, it's only occured as it happens.

这种运气是不存在的，只是碰巧发生了而已。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。