她偷偷地做的这件事，她丈夫绝不会有线索。
我们知道的最大的喜悦是偷偷地做件好事，而被人偶然发现。
The greatest pleasure I know is to do a good action by stealth, and to have it.
我们知道的最大的喜悦是偷偷地做件好事，而被人偶然发现。
The greatest pleasure I know is to do a good action by stealth, and to have it found out by accident.
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