vanish into thin air
⇒ 得知真实情况后，人们的不满情绪烟消云散了。
When they found out what was really going on, the people's feelings of discontentvanished into thin air.
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。