干打雷，不下雨 (乾打雷，不下雨) gān dǎléi, bùxià yǔ

gān dǎléi, bùxià yǔ phrase all thunder but no rain; a lot of noise but no action
Domain: Proverb 谚语
Notes: (CC-CEDICT '乾打雷，不下雨')