infernally, frightfully, terribly, awfully
Э́то адски сложно.
It's complicated as hell.
Он адски устал после работы.
He was terribly tired after work.
Сегодня адски холодно на улице.
It’s terribly cold outside today.
WiktionaryPONSbab.laReverso
Lisa edited word type 7 years ago.
