3 sentences for 自由自在 (zì​yóu​zì​zài — unconstrained)

1. 鸟儿在天空中自由自在地飞翔。

   niǎo​r zài tiān​kōng zhōng zì​yóu​zì​zài de fēi​xiáng.

   Birds fly freely in the sky.

   Source: Dong Chinese Dictionary

2. 雄鹰在蓝天中自由自在地翱翔。

   xióng​yīng zài lán​tiān zhōng zì​yóu​zì​zài de áo​xiáng.

   The eagle is soaring freely in the blue sky.

   Source: Dong Chinese Dictionary

3. 这条小溪清澈见底，鱼儿在水中自由自在地游动。

   zhè tiáo xiǎo​xī qīng​chè jiàn​dǐ, yú'ér zài shuǐ zhōng zì​yóu​zì​zài de yóu​dòng.

   This stream is crystal clear, and fish swim freely in the water.

   Source: Dong Chinese Dictionary