猜不透你脑海中的思绪找不到你瞳孔中的画面
[cāi bù tòu nĭ năo hăi zhōng de sī xù zhăo bù dào nĭ tóng kŏng zhōng de huà miàn]
This means 'I cannot understand your thoughts and I can't see what's in your mind.' It conveys confusion and inability to fully grasp another person's feelings or intentions.