tentativeness

例句：

1. 1. He hesitated before answering the question.
   他在回答这个问题之前犹豫不决。
2. 2.She was uncertain about whether to accept the offer or not.
   她对是否接受这个提议感到不确定。
3. 3. The decision was tentative because of the lack of information.
   由于缺乏信息，这个决定是试探性的。