表示屡试不爽的英文单词

“屡试不爽”对应的英文单词有：timetested、have proved effective every time、effective every time it is used、have stood numerous tests ，一共4个，具体意思及用法如下：

timetested经过时间检验的

have proved effective every time屡试不爽

effective every time it is used屡试不爽

have stood numerous tests屡试不爽