我把我自己的心包裹起来了
[wŏ bă wŏ zì jĭ de xīn bāo guŏ qĭ lái le]
'I’ve Covered My Heart', indicating a desire to protect oneself from external hurts, perhaps due to a bad encounter in love, friendships, or other social relationships, leading to self-isolation to guard own feelings from future pain and vulnerability.