She'd better shut her mouth and from now on think twice before saying stupid things.她最好闭上嘴巴，而且今后在说出蠢话之前先过过脑子。Oi! You lot! Shut up!嘿！你们几个！闭上嘴巴！Just shut up and get on with your work!快闭上嘴巴继续工作！I wish you'd shut up for a moment and listen to what the rest of us have to say.我希望你能闭上嘴巴安静一会儿，听听我们其他人说什么。