How could the diligent students be distinguished from the dull ones?

It was the dull ones that were dangerous.

"I was making a collection of interesting stones and these are clearly very dull ones."

"Even the dull ones are worthy of decent respect, but you don't have to seek them out and spend time with them."

Most bring their daggers, but I lay out some, dull ones.

"I'd like to go to 49 41 a camp like that instead of the dull ones I went to."

We discussed the situation in Lebanon, but without any keen insights, or even dull ones.

Even so, Hay's new moustaches were far more effective than his own dull dark ones.

There were fascinating people to meet among all the dull ones who turned up at each party.

So there's quite a lot, you see, besides all the dull ones, right away back to Edward the Confessor or somebody.