léi​dà​yǔ​xiǎo

much talk little action

Senses

雷大雨小 léi​dà​yǔ​xiǎo much talk little action

(idiom) much thunder but little rain; used to describe a situation that starts with a lot of noise or fanfare but results in very little actual progress or action

References

same_as 雷大雨小/雷大雨小 雷声大雨点小/雷聲大雨點小