blind spot

Từ điển Oxford Advanced Learner 8th

ˈblind spot [blind spot] BrE NAmE noun
1. an area that sb cannot see, especially an area of the road when they are driving a car
•The rear-view mirror helps to reduce blind spots on both sides of the car.
2. if sb has a blind spot about sth, they ignore it or they are unwilling or unable to understand it
•I have a blind spot where maths is concerned.
3. the part of the ↑retina in the eye that is not sensitive to light
4. an area where a radio signal cannot be received