可靠的确凿的英语怎么说

可靠的确凿的英文可以用 "reliable and conclusive" 来表示。

"Reliable" 指可靠的，有信誉的，可信赖的。例如：

The weather forecast from this station is always reliable. 这个电台的天气预报总是可靠的。
The company has a reputation for producing reliable products. 这家公司有生产可靠产品的名声。

"Conclusive" 指确凿的，最终的，明确的。例如：

The evidence presented in court was conclusive and the defendant was found guilty. 法庭上提交的证据确凿，被告被判有罪。
The report provided conclusive proof that the new product was a success. 报告提供了新产品成功的确凿证据。

希望这些信息对你有帮助。