俛:同“俯”,低下。低下头,用绳子拴着脖子。形容卑躬屈膝低头认罪
汉·贾谊《过秦论》:“百越之君,俛首系颈,委命下吏。”
俛首系颈作谓语、定语;用于处世。
bow one's head in submission and stick one's neck into noose