曾为你冷风中颤抖曾为你万事都低头
[céng wéi nĭ lĕng fēng zhōng zhàn dŏu céng wéi nĭ wàn shì dōu dī tóu]
This translates to 'Once I trembled in the cold wind for you, once I lowered my head for everything because of you.' It reflects deep feelings of having sacrificed personal comfort and dignity for someone else.