☉ 屡试不爽 【lǚshìbùshuǎnɡ】
[ be found officious as often as it is tried be often tried and often succeeded effective every time it is used ] 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
[ be found officious as often as it is tried be often tried and often succeeded effective every time it is used ] 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
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