3 sentences

1. 我只是个清洁工。

   wǒ zhǐ shì gè qīng​jié​gōng.

   I'm just a cleaning lady.

   Source: OpenSubtitles

2. 我不是故意把你和清洁工相提并论的。

   wǒ bù shì gù​yì bǎ nǐ hé qīng​jié​gōng xiāng​tí​bìng​lùn de.

   I didn't mean to lump you and the cleaning lady together.

   Source: OpenSubtitles

3. 城市的清洁工每天天没亮就开始清扫街道。

   chéng​shì de qīng​jié​gōng měi tiān tiān méi liàng jiù kāi​shǐ qīng​sǎo jiē​dào.

   The city's street sweepers start cleaning the streets every day before dawn.

   Source: Dong Chinese Dictionary