我姓孟却走不进你梦里
[wŏ xìng mèng què zŏu bù jìn nĭ mèng lĭ]
With the meaning 'I Bear the Meng Name Yet Fail to Enter Your Dreams', it expresses frustration over being unable to become significant in another person's subconscious mind or intimate space, often related to longing unfulfilled dreams of closeness or intimacy.