ㄅㄧˋㄇㄨˋㄙㄜˋㄊㄧㄥbìmù‑sètīng

闭目塞听
  1. 上眼耳朵外界全然斷絕 隱居山林閉目塞聽潛修」、為了專心讀書閉目塞聽問世」。

to shut one's eyes and stop one's ears, out of touch with reality, to bury one's head in the sand