as hell

Adverb

postpositional

(postpositive, simile) To a great extent or degree; very.

Japanese Meaning

非常に / とても / 極めて / ものすごく

The presentation was boring as hell, yet somehow everyone stayed until the end.

プレゼンテーションはものすごく退屈だったが、なぜか皆最後まで残っていた。

Sense（1）

(postpositive, simile) To a great extent or degree; very.

It's cold as hell in here!