ag·o·niz·ing·ly
adverb/ˈæɡənaɪzɪŋli/
/ˈæɡənaɪzɪŋli/
(British English also agonisingly)
- used meaning ‘extremely’ to emphasize something negative
（强调反面事物）极其 - an agonizingly slow process
极其缓慢的过程
Oxford Collocations DictionaryAgonizingly is used with these adjectives:- slow
- an agonizingly slow process