The sign on the bus read "Private: Not In Service".巴士的标牌上写着“私家车：不对外出租”。I had to sign on the dole on Monday.我只好于星期一办理了领取失业救济金的登记。It's time for you to sign on.你该播音了....
From somewhere distant he heard the clatter of a typewriter.他听见从远处什么地方传来打字机的嗒嗒声。The dishes and bowls slid together with a clatter.碟子碗碰得丁丁当当的.Don't clatter your knives and forks.别把刀叉碰得咔哒响....