爱你从不是我刻意只是不知不觉爱上
[ài nĭ cóng bù shì wŏ kè yì zhĭ shì bù zhī bù jué ài shàng]
It means falling in love unintentionally or naturally. Rather than an actively sought-after action, it is expressed as an uncontrollable, spontaneous feeling towards another person.