獨燕不成夏 [独－－－－]

Jyutping duk6 jin3 bat1 sing4 haa6
Pinyin dú yān bù chéng xià

Definitions (Wiktionary)
  1. phrase, idiomatic
    one swallow does not a summer make
    (syn.) 孤燕不成夏, 一燕不成夏