quiet riot

Translations
тихое восстание
The team was a quiet riot in the tournament, surprising everyone with their performance.
Команда устроила тихое восстание в турнире, удивив всех своим выступлением.
Definitions
A 'quiet riot' refers to a situation where there is widespread, intense discontent or protest that is expressed in a subtle, non-violent, or non-obvious manner, rather than through loud or overt actions. It can also refer to a build-up of tension or resistance that is not immediately visible. Additionally, 'Quiet Riot' is the name of a famous American heavy metal band formed in the 1970s.