3 sentences

1. 我被树根绊了一下，摔倒了。

   wǒ bèi shù​gēn bàn le yī​xià, shuāi​dǎo le.

   I tripped over a tree root and fell down.

   Source: OpenSubtitles

2. 走路看着点，别被地上的树根绊了。

   zǒu​lù kàn zhe diǎn, bié bèi dì​shang de shù​gēn bàn le.

   Watch where you are going; don't trip over the tree roots on the ground.

   Source: Dong Chinese Dictionary

3. 那只调皮的小狗在公园的树根底下撒了一泡尿。

   nà zhī tiáo​pí de xiǎo gǒu zài gōng​yuán de shù​gēn dǐ​xia sā le yī pāo suī.

   That mischievous puppy took a pee at the base of a tree in the park.

   Source: Dong Chinese Dictionary