to talk loudly and vacuously
空喊团结
pay lip service to unity
空喊困难
pontificate about problems but take no action
所有这些演说只不过是空喊一通。
All these speeches are just a load of hot air.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。