Trembling heart shake [ idiom ] trembling heart shake [Pinyin] dǎn zhàn xīn yáo [ explain ] describe very afraid . [Source] Qing Hong Sheng "Palace · Sudden ": " Yeah,2013 New Adidas Soccer, you lose machine Geshu Road , said soldiers Lushan ,Nike Mercurial Vapor IX, red tight away from Yuyang , trapped in Tokyo , breaking the Tongguan , Hude people trembling heart shake . " [Usage] as predicate, adverbial ; describe very afraid [ synonyms ] trembling flustered,cr7 shoes 2013, frightened