The origin of the word is uncertain.
It is uncertain how they entered the property.
Despite recent research, the precise mechanism of the virus remains uncertain.
The economic outlook was beginning to look uncertain.
The industry as a whole faces a very uncertain future.
I left the meeting feeling anxious, and uncertain about what to do next.
Greg was uncertain how to respond to this odd request.
Sara seemed more self-assured: no longer young and uncertain, but a confident professional woman.
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。