名詞 seriousness:

1. an earnest and sincere feeling
   同義詞：earnestness, sincerity
2. the quality of arousing fear or distress
   同義詞：distressfulness
3. the trait of being serious- Robert Rice
   同義詞：earnestness, serious-mindedness, sincerity

1. I don't think you've quite grasped the seriousness of the situation.
   我認(rèn)為你對(duì)情況的嚴(yán)重性理解得還不透徹。
2. He hasn't yet woken up to the seriousness of the situation.
   他還沒意識(shí)到情況的嚴(yán)重性。
3. The seriousness of the situation has been much exaggerated by the press.
   形勢(shì)的嚴(yán)重性被報(bào)紙夸大了。
4. The reader who do not detect the seriousness under the lightness often misread him.
   沒有意識(shí)到輕松掩蓋下的嚴(yán)肅性的讀者常常會(huì)誤解他。
5. If I could intrude a note of seriousness into this frivolous conversation ...
   我真想說一句，叫他們談話放嚴(yán)肅些 ...