你若迷路我愿当我眼我若迷路愿你当我眼
[nĭ ruò mí lù wŏ yuàn dāng wŏ yăn wŏ ruò mí lù yuàn nĭ dāng wŏ yăn]
If you get lost, I wish to be your eyes. If I get lost, I wish you to be my eyes. This name conveys deep trust and reliance on someone. They are so close that they would lend eyes to each other when needed.