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| stroke of genius (Andrey Truhachev); brilliant idea; wonderfully clever idea (ssn) | |||
| flash of genius | |||
| wave; brain storm; brain wave | |||
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| bright idea (a very clever idea, often used in a joking way to mean a very stupid idea or action. Например: Whose bright idea was it to leave the back door wide open? teterevaann) | |||