Even if we knew where to look for it we'd be followed.

Let's take the next train back from Nairobi, and the next boat for Europe!" Fred rubbed his hands delightedly, and stroked his beard into the neat point it refuses to keep for long at a time in very hot weather.
"Let's stay in Nairobi" he said, "at least until Courtney sends that boy he promised us.

We can put in the time asking questions, and then--" "What then ?" grumbled Will.
"There may be truth in what Brown of Lumbwa says about a dead-line." "Dead-line ?" "Beyond which the king's writ doesn't run." "Betcherlife there's truth in it!" Brown mumbled from the upper berth.
Will exploded silently, going through the motions of reeling off all the bad language he knew--not an insignificant performance.
"He's really asleep now," I said, standing on the lower berth and lifting the man's eyelid to make sure.
"Who cares ?" said Will.

"He's heard.

We've given the game away.