我爱你通过心脏出于口腔
[wŏ ài nĭ tōng guò xīn zàng chū yú kŏu qiāng]
Literally, 'I love you from the heart but speak out with mouth,' conveys the feeling that the love starts deeply from within yet comes out in speech through the voice box. Often implies sincerity behind verbal declarations of love.