It would be a mistake to understate the seriousness of the problem.(對該問題的嚴重性輕描淡寫是錯誤的。)

He hasn't yet woken up to the seriousness of the situation.(他還沒有認識到形勢的嚴重性。)

This is a reflectionof the seriousness with which they receive Titus.(這反映出他們接待提多時是多么的嚴肅認真。)

He has not recognized the seriousness of the present situation.(他還沒有意識到目前形勢的嚴重。)

We need to recognize the seriousness of the problem.(我們需要認識到問題的嚴重性。)

We should accept it with seriousness and a sense of responsibility.(我們應該嚴肅認真負責人的接受它。)

Her voice was imbued with an unusual seriousness.(她的聲音里充滿著一種不尋常的嚴肅語氣。)

I hope you realize the seriousness of this crime.(我希望你能認識到這一罪行的嚴重性。)

The seriousness of the crime cannot be overstated.(這一罪行的嚴重性怎么說也不為過。)

It's not entirely serious, even as it declares its seriousness.(這本書并不完全嚴肅，盡管它如此聲明。)