To capture him obviously, but he couldn't guess at her motives.

It's not fair to guess at someone else's motives.

She felt you had to look at people's motives.

She was still for a long moment, trying to guess at his motives.

She wondered now at his motives for bringing her today.

I felt him guess at my motives, and guess wrong.

His question made me look at my own motives for taking the blade.

One has to wonder at his motives for raising it on the floor.

He has left it to others to guess at Wright's motives for turning on him.

Again, Paul studied his sister, wondered at her motives.