雷声大，雨点小

léishēngdà,yǔdiǎnxiǎo

loud thunder but small raindrops—much said but little done; much talk, little action

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lei2 sheng1 da4 , yu3 dian3 xiao3

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

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雷聲大，雨點小|雷声大，雨点小 [léi shēng dà , yǔ diǎn xiǎo] ► loud thunder, but only tiny drops of rain (idiom); a lot of talk, but no action ► action speaks louder than words ► his bite is worse than his bark