此心以为你上锁此情以为你停留
[cĭ xīn yĭ wéi nĭ shàng suŏ cĭ qíng yĭ wéi nĭ tíng liú]
This heart has closed itself because I thought you would stay; This sentiment reflects someone locking their emotions thinking the loved one was here to stay. It’s a mix of vulnerability and hope.