The phrase "a bit of walking" is correct and usable in written English.
It can be used to describe a small amount of walking, often in a casual or informal context.
Example: "After dinner, we decided to take a bit of walking to enjoy the evening air."
Alternatives: "a little walking" or "some walking".
But what a Peruvian farmer means by a "bit of walking" turned out to be rather different from what I mean.
I had asked if she would show me where her hidden coca plantation was - and what she said was: "Yes, of course, but it will mean a bit of walking".
"It's not even six weeks yet [since the operation] and I've already done a bit of walking, it's the first time in three years that I've been able to walk.
I opted instead for the three -inch pumps with a platform, because we might have a bit of walking and waiting to reach the other side of the end of the world.
"It's good that they were out and about and doing a bit of walking because it looked like a few of them needed to get a bit of sun and do a bit of exercise," she wrote, actually managing to sound a lot like Trump himself the new President once told a Miss Universe winner she was too fat to wear the crown.
If you're just hanging around the city and don't mind using transit and doing a bit of walking, you're truly better off avoiding a car rental at O'Hare.
"There were some people who are thinking of getting out of the city, and the weekend after the attack we had quite a bit of walk-in traffic.
"It was a bit of walk in the first two sets and then he came back and it was nip and tuck," Taylor said.
It is fun up to a point, like a perception-testing science experiment or a bit of walk-in Cubism expanded to the scale of an architectural folly, but it's not very original.
What was supposed to be tough dress rehearsal for the Champions League trip to Internazionale turned out to be a bit of walk in the park for Bayern in Mainz.
"It was a bit of walk in the first two sets and then he came back and it was nip and tuck," he said.
