belt up   (TTS Sound)

The belt_up has 1 Senses.

• dummy up, keep mum, button up, close up, belt up, shut up, be quiet, clam up
• 黙する, 噤む, 黙りこくる, 口をつぐむ, つぐむ, 閉口, 黙る
• refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
• 話しをすることを拒否する、またはやめる