超能力小怪兽
别在公共场合大声喧哗Do not make loud noises in public.1别在上课时说话 Do not talk during the lessons.2我们不能上课迟到 We cannot be late coming to class.We should come to class on time.3别在街上踢足球Do not play soccer on the street. 4别在教室里玩篮球 Do not play basketball in the classroom.5别撒谎Do not lie. 6你不能太晚睡觉 You should go to sleep earlier.7她不能唱歌，因为她太害羞She is too shy to performance her singing in the public. 8他不能来上课，因为他生病了 He cannot come to school because he is sick.9我不能完成家庭作业，因为我头疼。I cannot (I am unable to) finish my homework on time because I have a headache.
七月的蟹
我们不应该大声喧哗。
翻译为英语：
1) We shouldn't be loud.
2) We should not speak loudly.
3) We should not clamor loudly.
4) We should not make a loud noise.
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Ashtray喵
在公共场合大声喧哗Don't shout and cry in public places. Don't makes loud noises in public places. Don't make such a racket in public places. Don't attempt to draw attention to yourself in public places.
小石在青岛
Don't shout ;Be quiet;Please don't make noise (to vipmumu: 你不能用make a noise，因为noise 是不能数的，所以不可以用a)
