uncertainty
n. 犹豫,无把握;拿不定的事,令人无把握的局面;紧张不安
复数 uncertainties
例句
It was a time of terrible uncertainty.
那是一段非常不确定的时期。
《柯林斯英汉双解大词典》
They hoped the waiting and the uncertainty would wear down my resistance.
他们希望这种等待和不确定性会削弱我的抵抗。
That's not the only uncertainty.
这并不是唯一的不确定因素。