A four-word idiom to describe bad weather.

Storm, storm, darkness, sun and moon without light, wind and rain, ups and downs. Wind and rain are unpredictable to the bed. The wind and rain will not change, and the wind and rain will not penetrate the bed. Ship is stormy, wind is stormy, wind is stormy, bed is stormy, wind is stormy, wind is stormy, wind is stormy, rain is stormy, rain is stormy, city is stormy, wind is stormy, storm is stormy, storm is stormy, rain is stormy at night. Spring Rain Meal Wind Su Yu Spring Rain Summer Rain Spring Rain Dew Chu Meng Foundation Run and Rain Foundation Tears Chu Yu said that the rain road is sunny and spring rain is like oil, miserable rain and acid rain, Wu Yun, Chu Yun Xiang Yu is in bed, rain is in the bed, rain is in the east, rain is on the rain, rain is on the cloud, rain on the gun, rain in the forest, rain on the rain, rain on the windmill, rain immediately, wind and rain, sudden wind and rain.