你是我的帅比你是我的萌比
[nĭ shì wŏ de shuài bĭ nĭ shì wŏ de méng bĭ]
It's very affectionate, meaning 'You are my crush and you are my favorite'. Here the Chinese words ‘帅 (shuai)’ which usually refers to being handsome is twisted for fun, while 萌 (meng) generally represents something adorable or lovely