即使遇到困难或挫折，也要如走泥丸。
Even if you meet with some difficulties or frustrations, just take them in your stride.
好像是有人搓了一些泥丸，搁在阳光下晒干了。
It was like someone had rolled clay balls and left them out in the sun to bake.
这样，在剩下的大约二十个泥丸中他找到了价值数千美元的宝石。
He found thousands of dollars worth of jewels in the twenty or so clay balls he had left.
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