brièvement bedeutet auf Englisch

briefly▼◼◼◼(in a brief manner)
adverb
[UK: ˈbriː.fli] [US: ˈbriː.fli]We chatted briefly. = On a discuté brièvement.

shortly▼◼◼◻(in few words; briefly)
adverb
[UK: ˈʃɔːt.li] [US: ˈʃɔːrt.li]