If you refer to the way something is described is an overstatement, you mean it is described in a way that makes it seem more important or serious than it really is.
例句
This may have been an improvement, but 'breakthrough' was an overstatement...這算得上是一個改進吧，但說是“突破”就言過其實了。True emotion ought not to require overstatement.真實的感情不應當需要過分渲染。
英英詞典釋義
Noun
1. making to seem more important than it really is