unbearable nastiness
无法忍受的恶劣
the nastiness of the weather
天气的恶劣
act with nastiness
表现得十分恶劣
A: I can't believe the nastiness of his behavior during the meeting.
A：我简直不敢相信他在会议期间的表现有多恶劣。
B: I know, it was really unpleasant for everyone involved.
B：我知道，这让每个参与者都感到很不愉快。
1) 恶劣，卑劣
2) 令人不快或肮脏的状态
3) 刻薄，尖酸刻薄
1. 恶劣；卑劣；令人不快
noun
1. The quality of being unkind, mean, or unpleasant.
Synonym: unkindness, meanness, unpleasantness