trial and error

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

反覆試驗, 試錯法

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.
學習騎自行車通常是一個反覆試驗的過程。
We found the best solution through a lot of trial and error.
我們通過大量的反覆試驗找到了最佳解決方案。