朗姆薄荷儿
1 Could you lower your voice please?2. Please use your indoor voice.(That is what I always say to my students.)3.Keep your voice down, please!
买买买嗨嗨嗨
小声一点Keep it down 小声_百度翻译小声 [词典] undertone; in a low voice; under one's breath; still; [例句]嘘!小声点,孩子们,你们太闹了。Hush, boys, the party's getting noisy.
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