I guess you'll have to use yours.

Have you any ?" "How the hell should I know ?" I retorted.
"If you find I haven't any, don't blame me." "I won't," he answered, and I believed him.
"What else besides being dry-nurse to the king of the Amalekites ?" I asked.
"Don't trust Ahmed." "He's a good interpreter." "Yeh--and a poor peg.

You'll have to use him--some.

But don't trust him." "Does old Anazeh know you in that disguise ?" I asked.
"No, and he mustn't.

I'll tell you why.