天崩地裂

heaven falls and earth rends (idiom); rocked by a major disaster / fig. violent revolution / major social upheaval

day / sky / heaven

to collapse / to fall into ruins / death of king or emperor / demise

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

to split / to crack / to break open / to rend