Oh well, that's all as clear as mud, then.

哎呀，那么一来这真是成了一本糊涂账了。

《牛津词典》

Your explanation is as clear as mud.

你的解释一点都不清晰。

youdao

So, whether the blame lies with exhaust fumes or desert dust is as clear as mud.

所以，到底应该怪罪于汽车和工厂排出的废气，还是沙漠来的沙尘，答案再混浊不过了。

youdao

This week leaves the rest of his thinking as clear as mud.

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The sea which used to be clear blue was like mud water and it was as if it was boiling up and gaint waves were coimng on to the land.

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