She turned a corner and I lost sight of her.

她转了个弯我就看不见她了

We must not lose sight of our original aim.

我们决不能忘记我们最初的目标。

It is easy to lose sight of what is happening on our own doorstep.

家门口发生的事反而容易被我们忽视。

We must never lose sight of the fact that man must work in harmony with nature.

我们绝不能忘记这一点——人类必须与大自然和谐共处。

Only a short-sighted man will lose sight of the importance of education.

只有鼠目寸光的人才会看不见教育的重要性。

Don't lose sight of the details.

不要忽略细节。