他把头发染成了蓝色，看起来很特别。

Tā bǎ tóufa rǎnchéng le lánsè, kàn qǐlai hěn tèbié.

He dyed his hair blue, and it looks very special.

疫情期间，我们都担心家里的老人会被病毒感染。

Yìqíng qījiān, wǒmen dōu dānxīn jiālǐ de lǎorén huì bèi bìngdú gǎnrǎn.

During the epidemic, we were all worried that the elderly at home might be infected by the virus.