To cover one's eyes and stop one's ears; to be willfully blind and deaf to what is happening around; to ignore external realities or refuse to acknowledge facts.
面对项目的潜在风险，他却选择蔽明塞聪，不听取团队的担忧，最终导致了计划延误。
Facing the potential risks of the project, he chose to cover his eyes and stop his ears, not listening to the team's concerns, which ultimately led to project delays.
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