1. But let's not get too smart-aleck with the benefit of hindsight.

2. The smart-aleck rookie detective got himself in trouble.

3. When a cop gave you a ticket, every smart-aleck answer you responded with would actually reduce your fine. As in: Cop: "You know how fast you were going?"

4. I was then such a smart-aleck that I frowned upon the way father was haggling and on the verge of chipping in a few words when the bargain was finally clinched.

5. If it stinks, it's chemistry—that's one memory trick some smart-aleck high-school students might recommend to identify the core sciences.