We should help each other.

我们应该互相帮助。

We should help each other in difficult times.

我们应该在困难的时候互相帮助。

As fellow countrymen, we should help each other.

作为国人，我们应该互相帮助。

All men are brothers, we should help each other.

四海之内皆兄弟，我们应该互相帮助。

In times of difficulty, we should help each other.

在困难的时候，我们应该互相帮助。

As people engaged in the same pursuit of scientific research, we should help each other.

作为科学研究的同道，我们应该互相帮助。

We should help each other when we meet trouble.

当我们遇到麻烦时，应该互相帮助。

What I mean is that we should help each other.

我的意思是我们应该互相帮助.

We should help each other, for people running businesses here are the same age as us.

在这里做生意的都是我们的老表，我们应该互相帮助。