If the people you meet talk in a loud voice, are impolite and tense, you will probably react and behave accordingly, hereby raising the level of tension.

如果你碰到人说话很大声，不礼貌并且很神经质，你可能会用相应地方式回应他们，因此，试着放宽你的容忍限度。

youdao

Please turn off your cell phones in the venue. Please do not frequently stand up for photo taking, or walk back and forth down the aisle, or talk in a loud voice.

在会场内采访期间，请关闭手机，请不要经常起身照相或来回走动，请不要大声喧哗。

youdao

Talk in a medium pitch voice, not too loud or too low, and don't let the loudness or pitch of other people's voices influence yours.

说话的时候音调要适中，别太大，也别太小，并且不要让别人的音调影响你。

youdao