Tried is used in the expressions tried and tested, tried and trusted, and tried and true, which describe a product. 经过检验的
adjective [原级] 经过验证的，可靠的
...over 1,000 tried-and-tested recipes. … 经过检验的一千多种配方。
verb [vi. 不及物动词] 试图，努力；试用，试做，试验；品尝（try 的过去式和过去分词形式）
He tried to gauge her mood. 他试图揣摩她的心情。
