N-UNCOUNT 漠不关心;冷淡;冷漠 A person's unconcern is their lack of interest in or anxiety about something, often something that most people would be concerned about. 漠不关心;冷淡;冷漠
She'd mentioned it casually once, surprising him by her unconcern.
她曾随口提到过,当时她的冷漠很让他吃惊。
Suzanne's feelings about food and eating had gone from blithe unconcern to anxiety.