You have their picture set as background or lock screen (or BOTH!) on your phone.

你把对方的照片设置为手机的背景或锁屏(或两者皆是)。

youdao

You have their picture set as background or lock screen (or BOTH!) on your phone.

你把对方的照片设置为手机的背景或锁屏(或两者皆是)。

youdao