I wouldn't know someone from the man in the moon if they were standing next to me.

Even if you meet him, you can't really know someone from the man on the moon until you hear their story.

I've been running on three hours of sleep all week, you know what I mean?

Having grown up here, I know like the palm of one's hand every alley and shortcut in the town.

When she asked how he had pulled off the surprise, he just smiled and said, 'that's for me to know and you to find out.'

When critics argue about what qualifies as art, I usually shrug and say, 'I know it when I see it.'

After the sleepless flight, I needed a walk and a cold shower to finally know whether one is Arthur or Martha.

When his coworkers presented three conflicting schedules for the same meeting, he did not know whether to spit or go blind and just sat there unable to decide.

She would often not know whether to shit or go blind when presented with two experts giving opposite recommendations.

I've been working late every night this week, you know what I'm saying?