掩耳盗铃[ yǎn ěr dào líng ]

⒈ 把耳朵捂住去偷铃铛。比喻欺骗不了别人，只能欺骗自己。例今若宿驿，正犹掩耳盗铃也。——明·赵弼《钟离叟妪传》英plug one's ears while stealing a bell; deceive oneself as an ostrich that buries its head in the sand;