To confine oneself to a small, self-proclaimed domain, often implying a narrow perspective or complacency within one's limited sphere.
那位艺术家虽然才华横溢，但多年来一直蚁穴自封，不愿走出自己的工作室与外界交流，作品的风格也渐渐变得单一
Though that artist is exceptionally talented, for years he has been confining himself to his own studio, unwilling to interact with the outside world, and the style of his works has gradually become singular.
Era:
Early Modern
Frequency:
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