you never know how painful i love you翻译成中文什么意思?

You never know how worried I am You never know how I am you will never know how much sad when i know you broken my heart you never know how much i love you you never know You never know how much I love you You never know how strong you are eyou have. You never know how many people harder than you. you'll never know dear,how much i love you You'll never know how much i need you. You can never know how much I love You never know how to make me happy.RT I can never to know how to quit you! I can never to know how to quit you! you never understand my feelings at that time You never know how much I love you You'll never know.How much.I love you.How much是陈述语气 You will never know You never know my you’ll never know