the weightiness of the situation
the weightiness of the subject
the weightiness of the decision
A: Can you sense the weightiness of this atmosphere?
A：你能感觉到这种气氛的沉重吗？
B: Yes, the weightiness of the news has left us speechless.
B：是的，这个消息的严重性让我们无言以对。
1) 物理重量
2) 事情的严重程度
3) 语气或气氛的庄重感
1. 沉重；严肃；重要性
noun
1. The quality of being heavy, or the quality of being serious, important, or solemn.
Synonym: seriousness, gravity, importance