我妈妈总是提醒我关窗户。

My mom always reminds me to close the window.

天气冷了，我们应该关窗户。

It's getting cold, we should close the window.

在离开房间之前，请关窗户。

Please close the window before you leave the room.

请你关窗户吗？

Can you close the window?

他忘记了关窗户。

He forgot to close the window.

我昨天忘记关窗户了.

I forgot to close the window last night.

请告诉我是否要关窗户。

Please tell me whether to close the window.

请关窗户。

Close the window, please.

记住关窗户。

Remember to close the window.

你干吗要使劲关窗户呢?。

Why should you slam the window?