insecure/ˌɪn.səˈkjʊr/形容词无把握的;不自信的He still feels insecure about his ability to do the job.他对自己是否有能力胜任这项工作仍没有把握。(物体)不牢固的,不安全的;(局势)无保障的,不稳定的We've gone through a few financially insecure years.我们经历了好几年的金融动荡。想跟读,去练习