To stop talking; be quiet.
使安静下来：停止说话；安静
To speak up.
说，讲话
(informal)used to indicate that someone should accept what one has said, even if it is unwelcome
(非正式)［用于要求别人接受不中听的话］这事你看着办吧；这事你考虑考虑
(Nautical)dismiss someone from duty
(航海)（吹长口哨）通知（水手）下班
(Nautical)give a signal for a boat to start
(航海)发信号开船
[often in imperative](informal)stop talking; be less noisy
(非正式)（使）停止讲话；（使）安静下来