You could tell him to turn down the TV.

你可以告诉他把电视音量调低。

It's considered strange to turn up on time.

准时到达被认为是奇怪的。

I tried to turn on my brain but the engine just wouldn't start.

我试图启动我的大脑，但引擎就是不启动。

So why did these people go to so much trouble to turn the entire mountains into terraces?

那么为什么这些人费这么大劲把整座山变成梯田呢？

You can turn this switch to turn on the light.

你可以翻转这个开关来打开灯。

We need to turn to the left.

我们需要向左边转。

She asked him to turn the page.

她让他转动页面。

He forgot to turn off the faucet.

他忘记关掉水龙头了。

His hair is starting to turn gray.

他的头发开始变灰了。

You need to turn left at the fork.

你需要在那个分岔口左转。