雷聲大，雨點小 léi shēng dà ， yǔ diǎn xiǎo

DEFINITIONS

  1. loud thunder, but only tiny drops of rain (idiom); a lot of talk, but no action
  2. action speaks louder than words
  3. his bite is worse than his bark

CHARACTERS

雷 léi
HSK 5
thunder
聲 shēng sound, voice, noise; tone; music
大 dà
HSK 1
big, great, vast, large, high
雨 yǔ
HSK 1
rain; rainy; KangXi radical 173
點 diǎn dot, speck, spot; point, degree
小 xiǎo
HSK 1
small, tiny, insignificant