但願人長久，千里共嬋娟 [－愿－长－－－－－婵－]

Jyutping daan6 jyun6 jan4 zoeng2 gau2 ， cin1 lei5 gung6 sim4 gyun1
Pinyin dàn yuàn rén cháng jiǔ ， qiān lǐ gòng chán juān

Definitions (Wiktionary)
  1. proverb
    to keep your loved ones close to your heart and wish them the best no matter how physically far apart one is