dān xiāng sī
one-sided lovesickness
unrequited longing
kè gǔ xiāng sī
deep-seated lovesickness (idiom)
hóng zuǐ xiāng sī niǎo
(bird species of China) red-billed leiothrix (Leiothrix lutea)
yín ěr xiāng sī niǎo
(bird species of China) silver-eared mesia (Leiothrix argentauris)
Cháng xiāng sī
Sauvignon blanc (grape type)