trial and error
US /ˈtraɪəl ənd ˈer.ər/
UK /ˈtraɪəl ənd ˈer.ər/

短语
1.
反复试验, 试错法
the process of experimenting with various methods of doing something until one finds the most successful
示例:
•
Learning to ride a bike is often a process of trial and error.
学习骑自行车通常是一个反复试验的过程。
•
We found the best solution through a lot of trial and error.
我们通过大量的反复试验找到了最佳解决方案。
在 Lingoland 学习这个单词