你的笑总是装作很天真说我们永远都不会分离
[nĭ de xiào zŏng shì zhuāng zuò hĕn tiān zhēn shuō wŏ men yŏng yuăn dōu bù huì fēn lí]
'Your Smile Always Pretends to Be Innocent and Says We Will Never Separate Forever' depicts the scenario of false innocence displayed by someone, probably in regard to promises they've made regarding separation or parting ways.