I'm not myself today我今天心神不宁

今天的几个句子是有关心态的：1.Lacks confidence and poise is nervous and ill at ease. 缺乏沉着自信就会心神不宁。2.Had always felt insecure at parties. 在晚会上总觉得心神不定。3.I always get the collywobbles before an interview. 我在面谈前总是心神不宁。