protestare bedeutet auf Englisch

protest [protested, protesting, protests]▼(to make a strong objection)
verb
[UK: prə.ˈtest] [US: prə.ˈtest]I didn't protest. = Non protestai.

grumble [grumbles]▼(a low thundering, rumbling or growling sound)
noun
[UK: ˈɡrʌm.bl̩] [US: ˈɡrʌm.bl̩]