YOU SAID:

The red flower opens with a sort of calamity

INTO JAPANESE

赤い花はある種の災いとともに開く

BACK INTO ENGLISH

Red flowers open with some kind of disaster.

INTO JAPANESE

赤い花は何らかの災いをきっかけに開きます。

BACK INTO ENGLISH

Red flowers open when some kind of disaster occurs.

INTO JAPANESE

何かの災害が起こると赤い花が開きます。

BACK INTO ENGLISH

Red flowers open when some kind of disaster occurs.