trial and error

US /ˈtraɪəl ənd ˈer.ər/
UK /ˈtraɪəl ənd ˈer.ər/
"trial and error" picture
1.

反复试验, 试错法

the process of experimenting with various methods of doing something until one finds the most successful

:
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。