下冰雹了！
Xià bīng báo le!
Hail is falling!
冰雹 = hail
外面在下冰雹，赶快进来！
Wài miàn zài xià bīng báo, gǎn kuài jìn lái!
Outside is hailing, come inside quickly!
赶快 = hurry/quickly
冰雹砸下来，跟鸡蛋一样大，车都被砸凹了！
Bīng báo zá xià lái, gēn jī dàn yī yàng dà, chē dōu bèi zá āo le!
Hail crashing down, as big as eggs, the cars are all dented!
砸 = to smash/crash; 鸡蛋大 = egg-sized; 砸凹 = dented by impact
More Chinese (Mandarin) Weather Phrases