"Dat's wot we are," nodded the professor.
"Is it a sure thing that our conversation cannot be overheard?"
"Dead sure."
Ditson hesitated. He seemed to find it difficult to express himself just as he desired.
"Speak right out, chummy," said Kelley in a manner intended to be reassuring. "I rudder t'inks yer wants ter lick some cove, an' yer've come ter me ter put yer in shape ter do der job. Well, you bet yer dough I'm der man ter do dat. How many lessons will yer have?"
"It is not that at all," declared Roll.
"Not dat?" cried Kelley in surprise. "Den wot do youse want?"
"Well, you see, it is like this—er, like this," faltered Roland. "I—I've got an enemy."
"Well, ain't dat wot I said?"
"But I don't want to fight him."