1.switch to 切换到，转到

Switch to the root account, and in five minutes you have it installed and ready to use without rebooting.
切换到根用户，5分钟它就安装好并且在没有重启的情况下投入使用。

So he has always been happy with the switch to the gpl which he said is a fair and successful license.
他说，所以他一直很满意切换到通用公共许可证，这是一个公平而成功的许可证。

2.design to 用于设计

We can use design to make a website unique and more memorable.
我们能用设计使一个网站独一无二且更易记住。

Marriott has recently changed their design to be more like westin.
Marriott近期将他们的设计改得更类似于westin的方式。

3.require to 要求

Drain piping may require to be protected against freezing.
泄水管要求有防冻保护措施。

These objects require to be quarantined on the spot.
这些物品需要进行现场检疫。

4.as well as 既…又…；除…之外

That implies criticism as well as support.
这句话暗示着夫妻间的相互支持以及相互批评。

We continue to service customers as well as advertisers.
我们将继续向客户和广告商提供服务。