a lesson is repeated until learned
教训会不断重复，直到学会为止
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A lesson is repeated until learned.
同样的教训会不断重复直到你真正领悟为止。
youdao
A lesson is repeated until learned. A lesson will be presented to you in various forms until you have learned it.
教训将会以各种不同的形式呈现给你，直到你吸取为止。
A lesson is repeated until it is learned.
一个教训会不断重复，直至你领悟了它。
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