skin

crawl當動詞主要是"爬行"的意思，

但是用在皮膚就是"讓人起雞皮疙瘩"的意思，

什麼時候會起雞皮疙瘩呢?當然就是覺得害怕或噁心囉......

make sb's skin craw

=> to make sb feel afraid or full of disgust

Her singing makes my skin crawl.