第一句：Don't worry about that mistake. It's water under the bridge.

别担心那个错误，这是无法改变的事。

A: Don't worry about that mistake. It’s water under the bndgc.

别担心那个错误，这是无法改变的事。

B: Are you sure?

你确定吗？

第二句：Failure is the mother of success.

失败是成功之母。

A: What shall we do now?

现在找们该怎么办？

B: Take it easy. Failure is the mother of succcss.

别担心，失败是成功之母。

知识扩展：

1.做错事难免会有点担心：

He is afraid of making mistakes.

他担心会犯错。

Your barrier to success is worrying too much about the mistakes.

你成功的障碍是过多地相心会犯错误。

water under the bridge

无法改变的事，木已成舟

barrier n. 障碍，妨碍

2.失败时可以这样安慰彼此：

Failure is an unavoidable pun of success.

失败不可避免。

Failure is not always a bad thing.

失败不总是坏事。

I see failure as a stepping stone to success.

我认为失败是成功的基石。

unavoidable adj. 不可避免的