full of hot air 夸夸其谈

hot and bothered 烦躁不安

Officials at the Defence Ministry are getting all hot and bothered about secrets getting out.

国防部的官员们因机密泄露的事情而焦虑不安。

full of hot air 夸夸其谈

His utterances  were full of hot air .

他的发言大话连篇。

blow hot and cold 反复无常，摇摆不定

Some people can make up their minds right away , but others blow hot and cold .

一些人能很快下决心，可另一些人就老是犹豫不决。