ˈblind spot noun [countable]

1. something that you are unable or unwilling to understand:
I have a blind spot where computers are concerned.

2. the part of the road that you cannot see when you are driving a car

3. the point in your eye where the nerve enters, which is not sensitive to light

[TahlilGaran] Dictionary of Contemporary English ▲

blind spot
something that you do not understand at all, often because you are not willing to try.
He had a complete blind spot where public relations were concerned, so his political career was doomed from the start.

Languages are my blind spot - I was always terrible at French.

[TahlilGaran] English Idioms Dictionary ▲

blind spot
n.
1. A place on the road that a driver cannot see in the rearview mirror.
I couldn't see that truck behind me, Officer, because it was in my blind spot.
2. A matter or topic a person refuses to discuss or accept.
My uncle Ted has a real blind spot about religion.

[TahlilGaran] English Idioms Dictionary ▲