Despite the harsh reviews, the criticism was just water off a duck's back to her; she continued with her work undeterred.

Despite never having tried it before, she seemed to take to something like a duck to water when she started learning the violin.

When her coworkers spread rumors about her, it was like water off a duck's back, and she didn't let it affect her work.

After skipping breakfast, I could eat the crotch out of a low flying duck by lunchtime.

When he began giving tips to the veteran mechanic, I told him, don't teach your grandmother how to milk ducks, since she's been fixing engines for forty years.

When she walked into the room wearing that dress, he muttered that she could eat the arse out of a low flying duck.

After skipping breakfast, Mark joked that he could eat the crutch from a low flying duck.