settle down phr v [I] 1 to start living in one place, and get married or get a permanent job 〔生活和工作上〕安定下来: My parents want me to settle down and have children. 我父母希望我安定下来结婚生子。 2 to stop moving around and give your attention to doing something 安静下来: Settle down kids, and eat your dinner. 孩子们，安静下来吃饭。