shift gears片语KK [ʃɪft gɪrz] /ʃɪft ɡɪɹz/发音片语1换档、变速美式He shifted gears smoothly as the car climbed the steep hill.车子爬上陡坡时,他平顺地换了档。2改变做法、转换方向、转换话题Let's shift gears and talk about next year's budget.我们换个话题,来谈谈明年的预算。用这个字练口说→