我对你掏心掏肺我为你造心造肺
[wŏ duì nĭ tāo xīn tāo fèi wŏ wéi nĭ zào xīn zào fèi]
It vividly depicts someone willing to sacrifice everything and devote themselves entirely for another person, using an exaggerated expression style. It demonstrates one’s sincerity, seriousness and depth of feelings or attachment for another individual or a particular thing or concept that occupies an important place in their heart.