bow and scrape
卑躬屈膝，奴颜婢膝地对待某人；低声下气地巴结某人
书面/口语·形容卑躬屈膝
英文释义
to behave in an excessively servile or submissive manner; to excessively flatter or defer to someone in a show of respect or subservience
例句
The assistant bowed and scraped before the CEO, hoping for a promotion.
典故来源
源自旧时宫廷礼仪，鞠躬并擦脚表示极度恭敬，后引申为谄媚行为。