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Open the tool →泥牛入海 (ní niú rù hǎi) is a Chinese idiom (chengyu) meaning “to disappear completely and irreversibly”.
泥牛入海 is pronounced ní niú rù hǎi in Mandarin Chinese.
Literally, 泥牛入海 means “Mud ox enters the sea”. It is used to mean “to disappear completely and irreversibly”.
泥塑的牛掉到海里。比喻一去不再回来。