好景不長 [－－－长]

Jyutping hou2 ging2 bat1 coeng4
Pinyin hǎo jǐng bù cháng

Definitions (CC-CEDICT)
  1. a good thing doesn't last forever (idiom)
Definitions (Wiktionary)
  1. phrase, idiomatic
    good things do not last forever
    (syn.) 好景不常