hook line and sinker

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The phrase "hook, line, and sinker" is an idiom that means someone has completely and unquestioningly believed or accepted something, often in a way that suggests they were easily deceived. It originates from fishing, where the "hook" is the device used to catch the fish, the "line" is the string attached to the hook, and the "sinker" is a weight used to sink the hook deeper into the water. When a fish takes the bait, it swallows the hook, line, and sinker entirely, symbolizing total acceptance or gullibility.
The idiom is often used to describe situations where someone has been thoroughly convinced or tricked, such as:
- "He fell for her story hook, line, and sinker. "
- "The scammer's scheme was so convincing that they believed it hook, line, and sinker. "
It emphasizes the idea of being fully taken in or deceived without any skepticism.

مثال؛
I told him that I was a famous movie star, and he fell for it hook, line, and sinker.
به او گفتم که من یک ستاره مشهور سینما هستم و او کاملاً و بدون هیچ شکی این دروغ را باور کرد. ( حتی فکر نکرد که دروغ است )
The scammer sent a fake email, and my grandfather swallowed it hook, line, and sinker. He lost all his savings.
کلاهبردار یک ایمیل جعلی فرستاد و پدربزرگم یکسره فریب آن را خورد. تمام پس اندازش را از دست داد.
She told me the meeting was cancelled, and I believed her hook, line, and sinker.
او به من گفت که جلسه لغو شده است و من از ته دل حرفش را باور کردم ( در حالی که جلسه لغو نشده بود ) .