play dumb
act dumb

The man seemed to have taken no action, but he might be playing dumb.

Or in other words: the best thing to do was play dumb.

Play dumb if that's the way you want to go.

I decided against trying to play dumb and say "Who is what?"

We're getting our money, so we can afford to play dumb.

She decided to play dumb and shook her head again.

She once held up a power drill and played dumb.

He would play dumb, allowing her to carry them through.

They're at their comic best when simply playing dumb and being themselves.

Better if he'd played dumb, he realized a few seconds too late.

He had to tie himself back up and play dumb when you got there.

Play dumb, the way the enemy had come to expect him to be.

If you're stopped by the pigs, play dumb and they'll just tell you to move along.

They look for the photos but she plays dumb about the night before.

If he asks any questions, play dumb and stick to that story.

You never know exactly what might happen, while you're playing dumb."

Definitely playing dumb was the way he should handle it.

David thought he could pry information from him by playing dumb.

Could he possibly get away with playing dumb as to their real origin?

He decided the best thing was to play dumb, rather than spoil it.

"I just play dumb until they say something that gives them away.

Just play dumb, and you never know what they might let slip."

His only hope was to play dumb until the coroner released him.

We've seen what happens when you play dumb and deny reality until it's too late.

He thought he knew what she was getting at, but decided to play dumb.