单词	unsure
释义	un·sure (ŭn-shr, -shûr) adj. 1. Lacking confidence. 2. Uncertain of the facts. 3. Precarious; unstable; unreliable. un·surely adv.
随便看	fireweed firewood firework firing firing line firing pin firing squad firkin firm firm firmament firmamental firmer chisel firmly firmness firmware firn firry first first aid first-aid first base first baseman firstborn first class

英语词典包含135693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。