雷大雨小 Traditional form: 雷大雨小 Pinyin (reading): léidàyǔxiǎo Definitions: lit. much thunder but little rain; fig. a lot of talk but little action his bark is worse than his bite Characters: 雷 - thunder; surname 大 - big, great, vast, high, deep 雨 - rain 小 - small, tiny, insignificant Traditional characters: 雷 - thunder; surname 大 - big, great, vast, high, deep 雨 - rain 小 - small, tiny, insignificant