Daily Chinese Idiom Guessing Game
Unable to restrain oneself, especially when feeling excited or anxious.
按捺压抑，忍耐。心里急燥，克制不住。
明·冯梦龙《警世通言·白娘子水镇雷峰塔》不想遇着许宣……按捺不住，一时冒范天条。”
He couldn't contain his excitement and blurted out the news.