Translation of "memburuk" into English

Mengapa keadaan dunia terus memburuk meskipun adanya segala hal yang dikatakan kepada kita oleh para ahli?

Why have world conditions continued to deteriorate in spite of all that the experts are telling us?

Paru-parunya memburuk, tapi dia tetap tabah akan hidupnya yang sengsara.

Her lungs were rotting, but she clung steadfastly to her brutal life.

Setelah itu, kondisinya memburuk, dan ia meninggal beberapa bulan kemudian.

Then her condition worsened, and she died a few months later.