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Learn the meaning, origin, and usage of the idiom "Turn a blind eye" with five example sentences across different contexts. This idiom is part of ourAcademic & Formal Discourse collection for PTE and IELTS preparation.

The idiom is widely attributed to Admiral Horatio Nelson during the Battle of Copenhagen in 1801. When signaled by his flagship to retreat, Nelson, who was blind in one eye, deliberately held his telescope to his blind eye and claimed he could not see the signal. He ordered his fleet to keep fighting and subsequently won the battle.
The manager decided to turn a blind eye to employees arriving ten minutes late, as long as they finished their daily tasks before leaving.
I know he's your brother, but you can't just turn a blind eye when he treats people so unfairly.
Historians argue that local authorities turned a blind eye to smuggling activities because it supported the regional economy during the recession.
International observers accused the coalition of turning a blind eye to human rights violations occurring within the refugee camps.
As citizens, we cannot afford to turn a blind eye to corruption in our local government; we must demand transparency.
A. She was so exhausted by the end of the long day that she turned a blind eye and slept for ten hours straight.
B. Although the security guard noticed the shoplifter stuffing items into his coat, he turned a blind eye and let the man walk out of the store.
C. To get a better view of the distant stars, the astronomer turned a blind eye toward the telescope.
D. He accidentally turned a blind eye when he fell off his bicycle and injured his face, making it difficult to see.