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Open the tool →捷雷不及掩耳 (jié léi bù jí yǎn ěr) is a Chinese idiom (chengyu) meaning “Happening extremely suddenly and swiftly, leaving no time to prepare or react; caught completely by surprise”.
捷雷不及掩耳 is pronounced jié léi bù jí yǎn ěr in Mandarin Chinese.
Literally, 捷雷不及掩耳 means “Swift thunder, no time to cover ears”. It is used to mean “Happening extremely suddenly and swiftly, leaving no time to prepare or react; caught completely by surprise”.
犹迅雷不及掩耳。比喻事起突然,不及防备。