A sullen boy of few words and physically strong, with a powerful karate chop.
He is thirteen years old and a sullen teenage boy.
But Thomas was a sullen, sulky, awkward boy who had often argued with his father.
"I thought Speakers didn't believe in sin," said a sullen boy.
The Night's Watch has become an army of sullen boys and tired old men.
A big, sullen boy, not bad but very difficult, slouched out to the front.
Whatever else Prince Manfred might be, he was clearly not a sullen boy.
The Master's sudden appearance seemed to reduce him to the stature of a sullen boy.
He was a sullen boy, not bright, and especially irked on this day.
His eyes met the flat implacable gaze of the sullen boy.