一颗心只为你安分守己一颗心只为你循规蹈矩
[yī kē xīn zhĭ wéi nĭ ān fēn shŏu jĭ yī kē xīn zhĭ wéi nĭ xún guī dăo jŭ]
These phrases translate to 'A heart remains true and disciplined only for you;' emphasizing loyalty, devotion, and discipline reserved specifically for a certain individual. It signifies someone who is always dependable and consistent for the other because their heart and rules are set just around this particular individual.