play into somebody's hands

All you are doing is to play into her hands.

We played right into their hands, and let them do what they wanted.

They got a lead and we had to play into their hands.

I finally got through to her and once more played into the hands of the bad guys.

They had played, as the saying went, into his hands.

And at every stage he'd played right into his hands.

That's just playing into the hands of the man who doesn't care about the people.

And that will play into the hands of the defense.

But that line of attack from me would play into their hands.

"We don't want to play into their hands and let them use this peace process."