zhè wèi xīn shǒu sī jī zǒng shì bù jì de kàn guān hòu jìng，biàn dào shí jīng cháng chū wēi xiǎn。

这位新手司机总是不记得看观后镜，变道时经常出危险。

This novice driver often forgets to check the rearview mirrors, which makes lane changes dangerous.