Hiya Ginge,
No problem pal.
Train drawing carriages (five or ten) heading off to decrease speed in chilling turns (5,6)
Train drawing = 'Polar express' (animated or drawing of a train)
carriages = carries or contains
five =V + or + t(en) heading (first letter)
off (take off) to decrease = press (iron)
Speed in chilling turns = Def
Polar V or t Ex (-press) - Polar vortex (5,6)