我听过，但不知道具体的翻译：I have heard, but I do not know the specific 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

翻译结果1 翻译结果2 翻译结果3 翻译结果4 翻译结果5

I have heard, but do not know the specific

I have heard, but I do not know the specific

I have listened, but does not know concretely

I have heard, but I do not know what specific

I have heard, but I do not know the specific

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