1.known to be good or effective
1.As you may know, colic is a somewhat mysterious condition that there are no medications or tried and true treatments for it.
就像你可能知道的那样，肠绞痛是一种无法使用药物治疗的神秘状况。
2.Our six tried-and-true best practices have been the basis for the evolution of our tools and process offerings for more than a decade.
十多年以来，我们的六个经检验正确的最佳实践一直是我们的工具和过程改进的基础。
3.Perl is a very tried and true language, it's been around since the late eighties, but PHP is maturing very quickly.
Perl是一种久经考验真正的语言，从上个世纪八十年代末起就到处都有，但是PHP成熟得非常快。
4.There are tried and true ways to avoid such a fate, starting with the simple maxim to live within your means.
要避免这样的命运，有不少经过检验的可靠方法，首先就是量入为出这句简单的格言。
5.The eating contest is a tried-and-true American custom practiced at state fairs and ethnic festivals around the country.
吃喝大赛是真正的美国习俗。吃喝大赛通常在全国各地的州农产品展览会和少数民族节目上举行。
6.Others prefer more "tried-and-true" releases that have been thoroughly tested by other customers worldwide.
而另一些客户则喜欢安装已经被全世界其他客户全面测试过了的更“可靠的”软件版本。
7.If the answer is "yes" then the old tried and true explanations do not suffice.
如果答案是肯定的，那么旧有的对其成因的解释并不足够。
8.The old tried-and-true security drill is still the best, security experts say.
安全专家说，过去行之有效的安全演习仍是最好的办法。
9.This time around, the propulsion system relies on tried-and-true bicycle-style pedals.
而这次，推动系统依靠久经考验的自行车式的踏板。
10.Afterall, cutting-edge techniques can often provide superior results over tried-and-true methods that have been around for many years.
毕竟，切缘技术通常提供比多年使用的尝真发法更优的结果。