单词unassured
adj.: 不确定的；无自信的；未得保证的；【商】未经保险的
网络: 缺乏自信的
【商业】未经保险的;无保险单的
不确定的,无把握的;无自信的
未得保证的,不安全的
"Hmph! " he murmured, with a movement of his head to one side. It was the weakest thing he had ever done. It was totally unassured.
“哼！”他把头一歪轻轻哼了一声。这是他最无力的举动，口气中一点也没有把握。
Unassured hour for average year
历年平均不保证时