1. 安静些, 别讲话了：belt trough drier || 槽板带式干燥机 | belt up || 安静些, 别讲话了 | belt weight meter || 带秤

verb

1. refuse to talk or stop talking
fall silent

e.g. The children shut up when their father approached

Synonym: close upclam updummy upshut upbutton upbe quietkeep mum