なんて寒いことでしょう。

how ..!; what ..!; what (questioning)

cold (e.g. weather); uninteresting (esp. joke); lame; dull; weak; corny

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

death