Translation of "Dangerously" in Japanese

He is dangerously exposed.

‎１頭では危険な寒さだ

A dangerously false sense of security.

「安全な家」というのは 恐ろしい錯覚です

Oxygen levels are now dangerously low.

‎酸素が かなり減ってきた

We came dangerously close to freezing to death.

私たちは危うく凍え死ぬところだった。

Without them, he faces a dangerously cold night alone.

‎寒い夜を ‎１頭で過ごすのは危険だ

Reynolds' blood pressure is dangerously high, especially when he's mad.

レイノルズの血圧は危険なレベルに高い。特に怒っている時は。