My sister pkes to spend time on her phone. This expression is commonly used to describe someone who frequently uses their phone for activities such as texting, browsing the internet, or using social media.
例句：
She's always scrolpng through her phone, she's such a phone addict.
她总是在刷手机，她是个手机沉迷者。
My sister can't go an hour without checking her phone.
我姐姐一小时都离不开手机。
来源：这个说法来自于现代社会对智能手机的广泛使用。随着智能手机的普及，人们对于经常使用手机的人的评价也不同于过去。