uncertain
美[ʌnˈsɜ:rtn] 网络不确定性；飘忽；不确定；渺茫
1 . Students all over the country are facing an uncertain future.
全国各地学生前途未卜。
来自柯林斯例句
2 . The sandbank was uncertain, like quicksand under his feet.
那个沙坝并不稳固，他脚下如同踩着流沙一般。
来自柯林斯例句
3 . For a minute he looked uncertain, and then recovered his composure.
有一小会儿他看上去有些迟疑不定，之后又恢复了镇定。
来自柯林斯例句
4 . The future for manned space flight is looking increasingly uncertain .
载人宇宙飞行的前景看上去充满了越来越多的变数。
来自柯林斯例句
5 . He stopped, uncertain how to put the question tactfully.
他停顿下来，犹豫着该如何巧妙地提出那个问题。
来自柯林斯例句
1.lacking or indicating lack of confidence or assurance;
uncertain of his convictions
2.not established beyond doubt; still undecided or unknown;
an uncertain future
3.not established or confirmed;
his doom is as yet unsealed
4.not firm or secure;
balancing three boxes in an uncertain pile
5.not certain to occur; not inevitable;
everything is uncertain about the army
6.subject to change;
a changeable climate
7.not safe from danger or mishap;
faced an uncertain future
8.not consistent or dependable;
an uncertain recollection of events
9.ambiguous (especially in the negative);
she spoke in no uncertain terms