比喻做起事来声势造得很大，实际行动却很少。
his bite is worse than his bark; action speaks louder than words; loud thunder, but only tiny drops of rain (idiom); a lot of talk, but no action
雷(léi)
声(shēng)
大(dà dài tài)
()
雨(yǔ yù)
点(diǎn)
小(xiǎo)
