6 sentences

1. 鱼儿不时跃出水面。

   yú'ér bù​shí yuè chū shuǐ​miàn.

   Fish leap out of the water from time to time.

   Source: Dong Chinese Dictionary

2. 鱼儿在水中吐气泡。

   yú'ér zài shuǐ zhōng tǔ qì​pào.

   Fish blow bubbles in the water.

   Source: Dong Chinese Dictionary

3. 鱼儿落网后在网中拼命挣扎。

   yú'ér luò​wǎng hòu zài wǎng zhōng pīn​mìng zhēng​zhá.

   The fish struggled desperately in the net after being caught.

   Source: Dong Chinese Dictionary

4. 鱼儿们需要你。

   yú'ér men xū​yào nǐ.

   The fish need you.

   Source: OpenSubtitles

5. 清澈的溪水里游着几条活泼的鱼儿。

   qīng​chè de xī​shuǐ lǐ yóu zhe jǐ tiáo huó​po de yú'ér.

   Several lively fish are swimming in the clear stream.

   Source: Dong Chinese Dictionary

6. 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