Be sure and close the window.

务必关上窗户。

www.tdict.com

You go and close the window.

你过去把窗户关上。

g15.tongzhuo100.com

Do me a favor and close the window.

帮帮忙把窗子关上。

http://hotdic.com

In the other context, you know in a Window and a Windows machine, you close it with the X on the top right hand corner, where do you close it in the Mac?

还有一个就是，在Windows操作系统下,当你要关闭某个东西时，需要点击,右上角的“X“,那在Mac操作系统下呢？

哈佛公开课 - 计算机科学课程节选

Things came to a head in July of 1971 when Nixon called a meeting with Shultz and Connally to tell them he indeed decided to close the gold window and impose wage and price controls.

FORBES: George Shultz Remembers Failed Crises Past

When does the window of time and space close?

WHITEHOUSE: Press Briefing