2 sentences

1. 大门在我身后静悄悄地关上。

   dà​mén zài wǒ shēn​hòu jìng​qiāo​qiāo de guān shang.

   The door shut quietly behind me.

   Source: CCMatrix

2. 我们会像小老鼠一样静悄悄的。

   wǒ​men huì xiàng xiǎo​lǎo​shǔ yī​yàng jìng​qiāo​qiāo de.

   We'll be as quiet as little mice.

   Source: OpenSubtitles