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достичь плато (to) stop growing or improving at something – from phrasemix.com Tamerlane); выйти на плато (When tackling any long-term goal, you will inevitably hit a plateau. – NYT diyaroschuk) | |||
выполаживаться (grafleonov); выполаживать (grafleonov) | |||
затормозить (One of the most frustrating things about training is when you hit a plateau and it seems like you cannot progress any further Julchonok) |