imbronciarsi znamená v Angličtina

frown [frowned, frowning, frowns]▼(to have a frown on one's face)
verb
[UK: fraʊn] [US: ˈfraʊn]

sulk [sulked, sulking, sulks]▼(to express ill humor or offence by remaining sullenly silent or withdrawn)
verb
[UK: sʌlk] [US: ˈsəlk]