Definition
Having been tested or tried and subsequently found to be inadequate or not meeting the required standards.
试过无效
This solution was tried and found wanting in practical application.
这个解决方案在实际应用中被尝试后发现不足。
The new system, after being tried, was found wanting in meeting all our needs.
新系统经过尝试后，被发现无法满足我们的所有需求。
His theory, having been tried and tested, was found wanting in substantial evidence.
他的理论经过尝试和测试后，被发现缺乏实质证据。