Google provide some excellent tools for adding translation facilities to your website. They also provide browser tools so that you can quickly translate a page that you might be on.
With that in mind they’ve taken the appropriate step of adding facilities for web developers to override this.
For example, to stop translation on a section of your site add class="notranslate" to the appropriate tag, such as DIV or SPAN.
To prevent translation on an entire page, add the following to the <HEAD> section…
<meta name="google" value="notranslate">