| 例句 |
We discovered the ideal mix of paint by trial and error.通过反复尝试，我们调出了理想的漆色。He never succeeded in spite of repeated attempts.尽管反复尝试，他从未成功过。We often learn by/through trial and error.我们常常通过反复尝试来学习。We tried and tried to get the computer running but it was just no go.我们反复尝试启动电脑，但就是不行。 |