你的安全感换来我的心安你的心安换来我对你的爱
[nĭ de ān quán găn huàn lái wŏ de xīn ān nĭ de xīn ān huàn lái wŏ duì nĭ de ài]
It translates to 'Your security assures my peace, your peace assures my love for you'. This reflects on the mutual exchange of safety, comfort, and love between two people.