割雞焉用牛刀 [－鸡－－－－]

Jyutping got3 gai1 jin1 jung6 ngau4 dou1
Pinyin gē jī yān yòng niú dāo

Definitions (CC-CEDICT)
  1. lit. why use a pole-ax to slaughter a chicken? (idiom)
  2. fig. to waste effort on a trifling matter
  3. also written 殺雞焉用牛刀|杀鸡焉用牛刀[sha1 ji1 yan1 yong4 niu2 dao1]
Definitions (Wiktionary)
  1. proverb
    something of a big calibre is not necessary to handle small or minor problems
    (syn.) 殺雞焉用牛刀, 杀鸡焉用牛刀