To make us understand the project better, he explained it to us in detail.
为了使我们更好地理解这一方案，他向我们进行了详尽的解释。
I had not understood the problem until he explained it.
直到他解释了那个问题之后我才懂。
他重新讲了一遍。
He explained it again and I at last caught on.
他又解释了一遍，我终于明白了。
He explained it carefully, but I was still none the wiser.
对这件事他细心地加以解释，但是，我仍然还不明白。
He explained it so clearly that I could understand every detail.
他把它解释得很清楚，每一个细节我都明白了。
He explained it so clearly that every one of us can understand him.
他解释得很清楚，我们人人都明白他的意思。
He explained it so clearly that every one of us can understand him.
他解释得很清楚，我们人人都明白他的意思。
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