shift /ʃift/ I. vt. & vi. 1.转移；移动：shift one’s gaze 转移视线；shift the blame (responsibility) on to sb. 把罪责(责任)推到…身上 2.改变，变动：shift the subject of conversation 改换话题The wind has shifted to the north. 风转向北吹。‖II. n. ［c］1. 转换，转变：policy shifts 政策的变化；the shift of leadership (power) 领导层(权力)的更迭 2.(轮或换)班：be on the night (day) shift 上夜(白)班；work on three-shift basis 工作三班制
［辨析］与vary和alter 辨见vary
