请勿大声喧哗以保持车厢安静。

Please do not make much noise, and to keep the trains quit.

youdao

严禁在场内吸烟、嚼口香糖、大声喧哗，演出期间请勿随意走动；

No smoking or chewing gums. Keep quiet and do not walk around during the performance.

youdao

严禁在场内吸烟、嚼口香糖、大声喧哗，演出期间请勿随意走动；

No smoking or chewing gums. Keep quiet and do not walk around during the performance.

youdao