拼音lǚ shì bù shuǎng
注音ㄌㄩˇ ㄕˋ ㄅㄨˋ ㄕㄨㄤˇ
成语解释
屡试不爽
繁体屢試不爽
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;
⒈ 屡次试验,结果都相同。
例如:「这个方法十分有效,屡试不爽。」