clear as mud

常见例句

Some people think simply increasing the number of balls is the answer. Whether that will really help is as clear as mud.
有些人简单得认为只要增加水泥球的数量就能解决这个问题，但是否真的有用，没有谁能说得清。
He gave me directions how to get there. There were about as clear as mud though. I wish I'd asked him to draw a rough sketch-map.
他对我说了怎么去那里的路线，但是一点也不清楚。要是我请他画个大致的草图就好了。
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The upper clear water is recycled and used as industrial raw water, while the muddy water is pressed with belt-filter, and the mud cake pressed is sent to industrial dump to be buried as solid waste.
上清液作为工业水源水再利用；污泥水经带式压滤机脱水，泥饼按固体废物送工业垃圾厂填埋。

This week leaves the rest of his thinking as clear as mud.
ECONOMIST: Man overboard
Is that all as clear as mud by now?
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