1.uncertain of his convictions; unsure of himself and his future; moving with uncertain (or unsure) steps; an uncertain smile; touched the ornaments with uncertain fingers.
不相信他被定罪了；对他自己和自己的未来不肯定；用不坚定的脚步前进；不确定的微笑；不敢相信的触摸着勋章。
2.If you are unsure about how to turn off emulation settings, consult your emulation programs help files.
如果你不知道如何关掉虚拟光驱选项，请参考你虚拟光驱软件的帮助文件。
3.faced an uncertain future; an unsure existence.
面对不可知的未来；不能确定的存在。
4.Most people are familiar with the names Plato, Machiavelli, Spinoza, and Simone de Beauvoir, but remain unsure of their significance.
大多数人都熟悉的名字，柏拉图，马基雅维里，斯宾诺莎，波娃，但仍不能确定其意义。
5.not at ease socially; unsure and constrained in manner.
在社交上拘束；举止没有自信、拘束。
6.The number of people gathering and handling intelligence also increased suddenly, and many newcomers had little language training or were unsure how to transliterate names from spoken sources.
而突然之间乃那些收集并处理情报资料的人数增加，并且新的情报分析师几乎没有受到语言培训或在听到声音语源时不知道如何进行音译。
7.Though unsure how her speech would be received, she remained calm and professional throughout.
尽管她不能确信演讲是否会被接受，但她一直保持镇定且职业化
8.We were unsure (about) who was to blame.
我们说不清该责怪谁.
9.stood in the doorway diffident and abashed; problems that call for bold not timid responses; a very unsure young man.
羞怯而又局促不安的站在门口；需要大胆而不是羞怯的回答的问题；一个非常不自信的年轻人。
10.The adult jaw is a vastly different environment from the embryonic version, however, and scientists have been unsure whether it would provide the correct signals to a developing tooth.
但发育成熟的颌与胚胎时期的颌相比，是个完全不同的环境，因此，科学家一直无法确定，成熟的颌是否可以提供正确讯号给发育中的牙齿。
