A brain-teaser is a type of puzzle or problem that challenges a person's thinking and problem-solving skills. These puzzles are designed to be tricky and require careful thought or creativity to solve. Brain-teasers can include riddles, logic puzzles, or games that require figuring out patterns or using unusual approaches. They are often used to exercise the mind, improve focus, and encourage critical thinking. People enjoy brain-teasers as a fun way to stimulate their mental abilities and test their reasoning skills.

英語での「brain-teaser」の定義と意味

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