Sickly, or "tough as Hell"?

Eric Schmelter writes at Huffington Post,

Yes. It turns out that, for at least a few days, Hillary Clinton has been campaigning with pneumonia.

A 68-year-old woman, with pneumonia, still kept a schedule that most of us wouldn’t make it through, flying here and there, holding multiple events and briefings a day.

That’s not weak. That’s actually strong and tough as hell.

Read more here.