tā / yì biān / bèi kǎo / yì biān / shuā / duǎn shì pín / nán miǎn / xīn yǒu páng wù

他一边备考，一边刷短视频，难免心有旁骛。

He studies for exams while scrolling through short videos, so it is hard for him to stay focused.