一次又次的试验，一次又次的失败的翻译：Test and again, time after time failed 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Once or test, once again the failure of

Test and again, time after time failed

A time inferior experiment, a time inferior defeat

Time and time again, the test time and time again the failure at

Test and again, time after time failed