何必对着空镜头说你想我
[hé bì duì zhe kōng jìng tóu shuō nĭ xiăng wŏ]
It expresses a sense of helplessness or futility in conveying one’s longing for someone to an empty, unresponsive entity (like a camera), suggesting that the longing may be unreciprocated or unnoticed.