Sunny_snake Спасибо вам за напоминание.

'You think you're funny,' she said coldly. 'But you're just an arrogant, bullying toerag, Potter. Leave him alone.'
But too late; Snape had directed his wand straight at James; there was a flash of light and a gash appeared on the side of James's face, spattering his robes with blood.
Снейп в той сцене тихо не сидел. А вполне осознанно кинул режущее. В лицо, при чем.

Snape was hanging upside-down in the air, his robes falling over his head to reveal skinny, pallid legs and a pair of greying underpants.
Подштанники. Не нижнее белье. Может так принято был. Под килтом то не принято ничего носить.

Snape fell into a crumpled heap on the ground.

'I don't need help from filthy little Mudbloods like her!'

Lily blinked.

'Fine,' she said coolly. 'I won't bother in future. And I'd wash your pants if I were you, Snivellus.'
И правда. грязнокровкой она стала уже когда он был на земле