例句-1:Look, there's a new Thai cafe open. I'm afraid it's a real crapshoot -- it's got three others close by. But if the food is good enough, the owner might get lucky and win his gamble.
例句-2:Should I buy more stocks? With the market so high I'm sure tempted. But I'm afraid it would be a crapshoot. It's so high now, I'm scared it might take a big drop almost any time.
例句-3:It looked like a great deal. But one friend, Joe, got scared and crapped out on us at the last moment. And my friend Bob and I didn't have enough money to buy the store without him.
例句-4:Hey, I did great on that math exam. So I'm going to crap out tonight and take it easy instead of studying English -- I think I've earned a little time off for myself.