偶然的

It was poised, preadapted by chance, no design, to function as a swim bladder.

没有经过计划，它只是偶然地稳定下来，产生了预适应性，起到了鱼鳔的作用。

I fell across a friend of mine in the Friendship Department Store the other day.

前几天我在友谊商店偶然遇见了我的一位朋友。

We should not continue to fit thoughtlessly into the pattern in which we happen to have been brought up.

我们不应该继续再不加考虑地附和我们偶然出生于其中的生活模式。

I came across this book while i was tiding my room up :

我正在打扫房间的时候，偶然遇到这本书。

It was in the winter of 2003, we occasionally heard of Toastmaster club, at that time, it was very unfamiliar to us.

那是在2003年的冬天，我们几个同事偶然听说了TOASTMASTER 俱乐部，当时对这个名称还很陌生。

The choice of a tree represents the Kingdom of Heaven is not an accident.

选择一棵树来作为天国的比喻并不是偶然

I trod on his foot By accident.

我偶然踩了他的脚。

But there are moments of unexpected, unanticipated joy.

但偶然间也有不期而遇的喜悦。

He was afraid the little girl would have to die unbaptized, and in his rage he cried out:\" I wish those boys would all turn into ravens.\"

可是，有一天她偶然听到人们议论说："那女孩子，别看长得漂亮，她七个哥哥就是因为她才倒霉的。"

Unbeknownst to them, their transformation accidentally releases magic into the world.

他们并不知道，他们的变化偶然间将魔法释放到了这个世界。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！