掩耳盗铃

yǎn'ěr-dàolíng

[plug one's ears while stealing a bell; deceive oneself as an ostrich that buries its head in the sand] 把耳朵捂住去偷铃铛。 比喻欺骗不了别人, 只能欺骗自己

今若宿驿, 正犹掩耳盗铃也。 --明·赵弼《钟离叟妪传》