4 sentences

1. 那个妃子在后宫里非常得宠。

   nà gè fēi​zi zài hòu​gōng lǐ fēi​cháng de chǒng.

   That concubine was a great favorite in the imperial harem.

   Source: Dong Chinese Dictionary

2. 皇后在后宫拥有极高的地位。

   huáng​hòu zài hòu​gōng yōng​yǒu jí gāo de dì​wèi.

   The empress holds a very high status in the imperial harem.

   Source: Dong Chinese Dictionary

3. 后宫戒备森严，普通人无法进入。

   hòu​gōng jiè​bèi​sēn​yán, pǔ​tōng​rén wú​fǎ jìn​rù.

   The harem was heavily guarded, and ordinary people could not enter.

   Source: Dong Chinese Dictionary

4. 传说中这位皇帝的后宫有佳丽三千。

   chuán​shuō zhōng zhè wèi huáng​dì de hòu​gōng yǒu jiā​lì sān​qiān.

   Legend has it that this emperor's harem had three thousand beauties.

   Source: Dong Chinese Dictionary