雷声大，雨点小
Traditional form:
雷聲大，雨點小
Pinyin (reading):
léishēngdà,yǔdiǎnxiǎo
Definitions:
- lit. loud thunder, but only tiny drops of rain (idiom)
- fig. a lot of talk, but no action
Characters:
- 雷 - thunder; surname
- 声 - sound, noise; voice, tone, music
- 大 - big, great, vast, high, deep
- 雨 - rain
- 点 - dot, point, speck
- 小 - small, tiny, insignificant
Traditional characters: