名詞 blind spot:

1. a subject about which you are ignorant or prejudiced and fail to exercise good judgment
2. the point where the optic nerve enters the retina; not sensitive to light
   同義詞：optic disc, optic disk

1. I have a fair knowledge of most biological sciences but I have a blind spot when it comes to botany.
   我對(duì)大多數(shù)生物學(xué)科尚有了解，可是談到植物學(xué)時(shí)，我卻一竅不通。
2. History is one of his blind spots.
   歷史是他一竅不通的科目。