Getting into the car, his knee would brush against hers.

Doing so brought their bodies closer, and her knees brushed his thigh.

My knee brushed Doris's, once, twice, and I thought how wonderful it was when two young people started falling in love.

Every time she did, their arms or knees brushed.

Intrigued, he lowered to the floor, his back to the counter so their knees almost brushed.

He sat across from her, and their knees brushed.

As she swung, her knees brushed his fat thigh.

His knee brushed against something loose and it jangled.

He was standing so close now that his knees brushed hers.

She gave him back his glass and sat down again, but upright this time, so that her knee brushed his.