to not be able to recognize or accept what is happening around you.

I don't know why I thought he was innocent — I guess I had blinders on.

Usage notes: sometimes used in the form put blinders on - to refuse to accept something:

They put blinders on because they found it easier to ignore her behavior than to do something about it.

Etymology: based on the literal meaning of blinders (= pieces of material attached next to a horse's eyes to keep it from seeing anything on either side)

• word to the wise is sufficient.
• work against the clock
• work arse off
• work a treat
• work backside off
• work both ways
• work fingers to the bone
• work guts out
• work hand in glove with
• work hand in glove with someone
• work hand in glove with something
• work into the ground
• work its magic
• work like a charm
• work like a dog
• work like a trojan
• work like clockwork
• work like magic
• work magic
• work miracles
• work out
• work out something
• works
• work socks off
• work the problem