Tried around but never got this thing resolved.

Please see this page in FF:

And click one of the row headers of one of the tables, such as this one "二分贝" and a previously hidden hint / comment will be revealed under it, see the screenshot here:

However, with IE8 on this page:

Clicking on the row headers of any of the tables do nothing; it simply doesn't respond in any way.

Any idea why and how I can make it reveal in IE8? Thanks!