白话: 1.(现代汉语的书面形式) the written form of modern chinese; vernacular2.(不能实现或没有根据的话) empty promise; groundless talk◇白话诗 free verse written in the vernacular; 白话文 writings in the vernacular; 白话小说 no
空口白话: make empty promises; all talk and no deed; empty promise without substance; empty words; pay (mere) lip service; speak [talk] without acting [taking action]; with mere words of mouth