5 sentences

1. 山坡上尽是五颜六色的野花。

   shān​pō shàng jìn​shì wǔ​yán​liù​sè de yě​huā.

   The hillside is covered with colorful wildflowers.

   Source: Dong Chinese Dictionary

2. 大厅里悬挂着五颜六色的旗帜。

   dà​tīng lǐ xuán​guà zhe wǔ​yán​liù​sè de qí​zhì.

   Colorful flags are hanging in the hall.

   Source: Dong Chinese Dictionary

3. 广场上到处都飘扬着五颜六色的旗子。

   guǎng​chǎng shàng dào​chù dōu piāo​yáng zhe wǔ​yán​liù​sè de qí​zi.

   Colorful flags were fluttering everywhere in the square.

   Source: Dong Chinese Dictionary

4. 他含住吸管，低头观察水底五颜六色的珊瑚。

   tā hán​zhù xī​guǎn, dī​tóu guān​chá shuǐ​dǐ wǔ​yán​liù​sè de shān​hú.

   He held the straw in his mouth and looked down to observe the colorful coral at the bottom of the water.

   Source: Dong Chinese Dictionary

5. 舞台上五颜六色的灯光非常炫目，让歌手看不清观众。

   wǔ​tái shàng wǔ​yán​liù​sè de dēng​guāng fēi​cháng xuàn​mù, ràng gē​shǒu kàn bù qīng guān​zhòng.

   The colorful lights on the stage were so dazzling that the singer couldn't see the audience clearly.

   Source: Dong Chinese Dictionary