告诉我“万丈深渊”的英文是怎么写的

万丈深渊

[词典] a bottomless chasm; an abyss of 100,000 feet;

[例句]只是我最近恍如跌进了万丈深渊，心情糟糕的不能说了。

I am in a bad mood recently. I miss him also.