Escape 键将取消智能感知并允许您继续输入任何您想要的内容而不会受到干扰.刚刚在VS2013上试了一下确认.

The Escape key will cancel intellisense and allow you to continue typing anything you want without interferences. Just tried it on VS2013 to confirm.

至于用}"关闭的{"，这通常是由 Resharper、MS PowerTools 或类似扩展程序引起的.

As to the "{" being closed with a "}", this is usually caused by an extension such as Resharper, MS PowerTools, or similar.