在线词典雷大雨小比喻说得多，做得少，声势很大，实效很小。拼音léi dà yǔ xiǎo解释比喻说得多，做得少，声势很大，实效很小。近义词雷声大雨点小英文释义lit. much thunder but little rain; fig. a lot of talk but little action; his bark is worse than his bite
