like clay oxen entering the sea—never be heard of again; be gone for ever;never to return
? 桀犬吠堯堪笑止，～無消息。(郭沫若《滿江紅》) How absurd for Jie’s dog to bark at Yao; 丨The clay oxen plunge into the sea and vanish.
泥牛入海ni niu ru hai
like a clay buffalo going into the sea—gone forever
泥牛入海ní niú rù hǎi
泥做的牛一到海里就會化掉。比喻一去不復(fù)返。gone forever, never to be heard of again, never to return