名词形式是anxiousness。
短语：
interactive anxiousness 交往焦虑 ，social anxiousness 社会性焦虑 ，No need for anxiousness 不用回头 ，Ineraction Anxiousness Scale 交往焦虑量表，To Anxiousness People 为吓唬人。
anxious的用法：
1.anxious后接about或concerning时，指“忧虑的”。
I am anxious about/concerning your health. 我很担心你的健康。
2.anxious后面接for或不定式时，指“急切的”。 I am anxious for your safety.
3.意为“急切的”时，anxious后接的that从句里应用shall或should或虚拟现在式。 I am anxious that he shall/should avoid the mistake. I am anxious that he avoid the mistake. 4.anxious后可接for和宾语和不定式。 I am anxious for him to try his best。
