同为：屡试不爽

屡试不爽的中文解释

【解释】：屡次试验都没有差错。爽：差错的意思。易误解为“没有成功”。

【出自】：清·蒲松龄《聊斋志异·冷生》：“言未已，驴已蹶然伏道上，屡试不爽。”

屡试不爽的英文翻译

1. to have proved effective every time; to have stood numerous tests; to prove successful in every test

2. As often as it is used, it proves accurate.