4 sentences

1. 那男孩搔了搔耳朵。

   nà nán​hái sāo le sāo ěr​duo.

   The boy scratched his ear.

   Source: Tatoeba

2. 他搔婴儿的脚，把她逗笑了。

   tā sāo yīng'ér de jiǎo, bǎ tā dòu xiào le.

   He tickled the baby's feet and made her laugh.

   Source: AI Challenger 2017

3. 那个学生回答问题前搔搔头。

   nà​ge xué​sheng huí​dá wèn​tí qián sāo sāo tóu.

   The student scratched his head before answering the question.

   Source: AI Challenger 2017

4. 他搔了搔手臂上被虫叮咬过的地方。

   tā sāo le sāo shǒu​bì shang bèi chóng dīng​yǎo guo de dì​fang.

   He scratched his arm where he had been bitten by an insect.

   Source: UM-Corpus: Education