Lykos - Lonely Mountain
We are not humans, and we are not wolves either: we must walk a thin line between two natures, and as i said... doing it alone can break someone's heart." the eyes of the young werewolf shone sad, but oddly determined at the same time.
God of Hunger chapter 12-18
There is a thin line when it comes to pain; if the resonation is slow and rhythmic, we perceive it as pleasure. but if it's fast and violent, even a good touch can turn into a painful one inexplicably quickly, as is the case with phantom limb syndrome.
Migratory Birds - Chapter 19 - Crash
He wore a headband which covered most of his head and showed his eyes as a thin line.
Shadows move in pairs
Espio turned and looked at him darkly, his mouth a thin line across his face. "and what's that supposed to mean, vector?" he said. once again, the green one laughed. "i'm only kidding! come on, let's get going!"
Fledgling Wilderness Survival Expedition
As they headed out through the city's airspace, _majestic_'s thrusters created a constant dull rumble, and their super cold temperatures left a thin line of condensation trailing behind them and marking the path they'd flown.