He's grimly determined to make his mark in the world.
Jeremy was grimly determined it would not be he who did so.
But I kept at it, grimly determined to get down to the wreckage and find what was left of my brother's body.
And they seemed grimly determined to pack food into him at an astonishing rate.
He climbed in, grimly determined, and hit the down button.
Music stations also seem grimly determined to appeal to a single ethnic group.
She was grimly determined not to show how bitterly his return disappointed her.
He was grimly determined to regain his contact with the Sword.
None of which, Franklin determined grimly, would help him unless he had a satisfactory answer to certain questions.
She'd gone pale as a ghost, yet she still seemed grimly determined to take out the nest.