Max squints through the harsh sunlight. Sweat trickles down his temple as he keeps hustling. Bren, with a map in his hands, scans the deserted quarry.
"This is a real dead end, Bren. We've been here for hours and zilch! Maybe we're barking up the wrong tree," grunts Max, tossing his shovel aside.
"We can't exactly call it quits just yet. We gotta keep on digging until we hit pay dirt. Ok?"
"Oh, yeah? You want me to keep diggin'? This place is drier than a mummy's armpit. Besides, my back's about to snap in two."
"Look, someone spilled the beans about this place being a hideout. We gotta check every nook and cranny. The boss won't be happy if we come up empty-handed. Remember what happened to Lefty last week? We promised the boss results, not excuses."
"Fine. But if we come up snake eyes again, I'm outta here. This wild goose chase is giving me a migraine the size of Texas."
This is pretty good! I would wait for an American English speaker to weigh in on whether 'pay dirt' and 'come up snake eyes' are common over there - I'm a British English speaker and had never heard either of them in my life, and had to look them up. If not, it may be worth replacing them with sayings that are more common.
I agree with @hellias! This was an excellent exercise in how to use these idioms. Great writing!