dummy up英 [ˈdʌmi ʌp]美 [ˈdʌmi ʌp]网络 缄口不语英英释义verbrefuse to talk or stop talkingThe children shut up when their father approachedSynonym:close upclam upshut upbelt upbutton upbe quietkeep mummake a dummy ofdummy up the books that are to be publishedSynonym:dummy双语例句