ㄉㄨˋㄇㄣˊménㄅㄨˋㄔㄨchū

  1. 緊閉門戶不外交往國語·》:讒言杜門不出。」晉書·七七·》:杜門不出終日教授子弟。」不出韜光養晦門庭若市

to shut the door and remain inside, fig. to cut off contact