1. As if unsure of where she be, she hesitate and look round. 她彷佛茫然不知身在何处，犹犹豫豫向四周打量。
2. Productivity and group relations are good. You feel somewhat unsure about your lack of direction of the group. 生产效率和团队内部的关系非常好。但是你对怎么指导团队的方向信心不足。
3. Young men hovered at the back of the open-air site, unsure whether to sit down and join in the new politics or lurk safely in the dark, as they are used to. 年轻人在户外集会地点的后面徘徊，拿不定主意到底是坐下来还是加入新的政治活动中、抑或只是潜伏在黑暗里，就如同他们曾经做过的那样。
英英解释
adj.
1. lacking or indicating lack of confidence or assurance
2. lacking self-confidence
