악화하다

Etymology
.

Verb

 * 1)  to worsen, to deteriorate, to degenerate, to take a turn for the worse
 * 2)  to make worse, to aggravate, to exacerbate
 * 1)  to make worse, to aggravate, to exacerbate
 * 1)  to make worse, to aggravate, to exacerbate