by chance

偶然, 碰巧

例句与用法：

I met her quite by chance.

我遇见她完全是偶然的。

Occurring by chance; fortuitous.

侥幸的碰巧发生的，幸运的

We met (each other) quite by chance.

我们(彼此)相遇纯属偶然。

He had a slip of tongue by chance.

他偶然说走嘴。

She tried to commit suicide, but we saved her life by chance.

她试图自杀，但我们碰巧救了她。

详细释义：

偶然

I met Tom by chance yesterday.

昨天我偶然遇见汤姆。