Definition: unable to be still or relax because you are bored or nervous Level: C1
漫长的延误让不耐烦的人群开始变得焦躁不安。
The impatient crowd grew ___restless during the lengthy delay.
长途乘车后，孩子们理所当然地坐不住了。
After a long car ride, the children were understandably ___restless.
他在房间里踱步，坐立不安，无法静下心来等电话。
He paced the room, too ___restless to sit down and wait for the phone call.
