This is the 4751st most frequent Russian word.
закрывать
To close.
The verb 'закрывать' is used to indicate the physical action of closing an object, here the book.
Я закрываю книгу после чтения.
I close the book after reading.
The verb 'закрывать' here conveys the securing action of closing something for safety or precaution.
Мы закрываем двери в доме перед уходом.
We close the doors in the house before leaving.
The phrase 'закрывать глаза' figuratively means ignoring or overlooking a problem, demonstrating the idiomatic use of the verb.