niǎo​qiāng​huàn​pào

to upgrade significantly

鸟枪换炮 鳥槍換炮 niǎo​qiāng​huàn​pào
to upgrade significantly
literally meaning a shotgun is replaced by a cannon; describes a situation where equipment, conditions, or tools have been improved enormously

Frequency

Movie subtitles
0.060 per million appears in 0% of films
Written text
0.116 per million

Sources