AAA平淡的一生
stop doing 指停止做某事stop to do指停下来去做某事,如When the teacher came in ,the students stopped talking at once.He is too tired . He has to stop to have a rest .
devilyu2266
May I have your attention? 礼貌起见上述表达很常见。直接说quiet,stop talking等其实是很不礼貌的说法。可以加上please