词语解释

屡试不爽[ lǚ shì bù shuǎng ]

⒈ 每次使用都有效〓；多次试验都不错。

例这种新农药效果良好〓，屡试不爽〓。

英be found officious as often as it is tried; be often tried and often succeeded; effective every time it is used;

国语辞典

屡试不爽[ lǚ shì bù shuǎng ]

⒈ 屡次试验，结果都相同〓。

例如：「这个方法十分有效〓，屡试不爽　」