Jíshǐ tiānhándìdòng, tā yě jiānchí měitiān chénliàn.
Even in bitter cold, he insists on his morning exercise every day.
Tips
history
From Shi Nai'an's Ming-dynasty 《水浒全传》 第六十五回: 目今天寒地冻,军马难以久住 — 'right now with the sky cold and the ground frozen, the troops can hardly stay long.' Already a set phrase by the Ming.
memory
Perfectly parallel structure: 天 (sky) + 寒 (cold), 地 (earth) + 冻 (frozen). The whole world, top and bottom, frozen stiff.