calamitously

The stock market crashed calamitously, wiping out the savings of many investors.

(Chinese) 股市灾难性地崩盘，抹去了许多投资者的积蓄。

The expedition ended calamitously when the team ran out of supplies in the blizzard.

(Chinese) 当探险队在暴风雪中耗尽补给时，这次探险以惨剧告终。