This idiom means repeatedly tested and found effective. It signifies consistent success through trials.
屡次试验都不出错，证明效果很好。
| 成语 | 屡试不爽 |
|---|---|
| 解释 | 屡次试验都不错。 |
| 拼音 | lǚ shì bù shuǎng |
| 拼音码 | lsbs |
Tags: freq1
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