5 sentences

1. 妞妞在公园里跑来跑去。

   niū​niu zài gōng​yuán lǐ pǎo​lái​pǎo​qù.

   Niuniu was running around in the park.

   Source: Dong Chinese Dictionary

2. 我整晚都像条狗一样跑来跑去。

   wǒ zhěng wǎn dōu xiàng tiáo gǒu yī​yàng pǎo​lái​pǎo​qù.

   I've been running around like a dog all night.

   Source: OpenSubtitles

3. 夏天很多小孩喜欢赤着脚跑来跑去。

   xià​tiān hěn​duō xiǎo​hái xǐ​huan chì zhe jiǎo pǎo​lái​pǎo​qù.

   Many children like to run around barefoot in the summer.

   Source: Dong Chinese Dictionary

4. 孩子们在狭窄的里弄里欢快地跑来跑去。

   hái​zi men zài xiá​zhǎi de lǐ​lòng lǐ huān​kuài de pǎo​lái​pǎo​qù.

   The children are running around happily in the narrow alleys.

   Source: Dong Chinese Dictionary

5. 那个孩子整天疯疯癫癫地跑来跑去，没个正经。

   nà​gè hái​zi zhěng​tiān fēng​feng​diān​diān de pǎo​lái​pǎo​qù, méi gè zhèng​jīng.

   That child runs around wildly all day, never being serious.

   Source: Dong Chinese Dictionary