雷声大，雨点小

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

lit. loud thunder, but only tiny drops of rain (idiom) / fig. a lot of talk, but no action

surname Lei

thunder / mine (weapon) / (Internet slang) terrifying / terrific

thunder / (bound form) (military) mine, as in 地雷[di4 lei2] land mine / (coll.) to shock; to stun; to astound / (Tw) (coll.) spoiler / (Tw) (coll.) to reveal plot details to (sb)

thunder

sound / voice / tone / noise / reputation / classifier for sounds

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

rain / CL:陣|阵[zhen4],場|场[chang2]

(literary) to rain / (of rain, snow etc) to fall / to precipitate / to wet

raindrop

point / dot / drop / speck / o'clock / point (in space or time) / to draw a dot / to check on a list / to choose / to order (food in a restaurant) / to touch briefly / to hint / to light / to ignite / to pour a liquid drop by drop / (old) one fifth of a two-hour watch 更[geng1] / dot stroke in Chinese characters / classifier for items

small / tiny / few / young