A head - scratcher is a situation or problem that is difficult to understand or solve. It often leaves people confused or puzzled. وضعیت یا مشکلی که درک یا حل آن دشوار است. اغلب افراد را گیج و متعجب می کند.
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مثال؛
The math problem was a real head - scratcher; I couldn’t figure out the solution.
A person might say, “I’ve been trying to understand the instructions, but it’s a real head - scratcher. ”
When faced with a complex issue, someone might ask, “How do we solve this head - scratcher?”