Students shall turn off light and lock windows and doors before they leave classrooms.

离开教室时应随手关灯，关好窗户和锁好门。

youdao

Quietly he walked towards her, past her, and on towards the heavy oak door. The key twisted in the lock, the shutters closed silently over the windows.

轻轻地，他走向她，慢慢地，走过去，走向那沉重的橡树门。钥匙旋动，锁上了门，窗户也都安静地关上了。

youdao

The key twisted in the lock, the shutters closed silently over the windows.

钥匙旋动，锁上了门，窗户也都安静地关上了。

youdao

This could also be a plus for Qualcomm, which has an effective lock on Windows smartphone business for the time being.

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Moreover, while Microsoft's Vista operating system has received mediocre reviews, the Redmond, Washington-based software giant offers a host of tools, from e-mail software to its ubiquitous Office productivity suite, that will make it impossible to break Windows' lock on big businesses anytime soon.

FORBES: Magazine Article

Microsoft just unveiled the first major update to Windows 8, and it includes tweaks to nearly every aspect of the operating system: the lock screen, Start menu, Windows Store and onscreen keyboard.

ENGADGET