Children learn to use computer programs by trial and error.

儿童通过反复摸索才学会运用计算机程序。

《牛津词典》

Many drugs were found by trial and error.

许多药物都是经过反复试验后才被发现的。

《柯林斯英汉双解大词典》

We learn, in a sense, by trial and error.

从某种意义上说，我们是通过反复试验、不断犯错来学习的。

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In just a moment the hearts are gonna start flowing from bottom to top and the cookies are gonna start moving left and right and they seem to be somewhat synchronized with the music, perhaps based on trial and error by the student who implemented this one.

刚刚那一刻，那些爱心们从底部上浮到顶部,饼干人则向左向右移动,它们似乎都随着音乐的律动而变化着，也许这是那个制作该动画的同学,不断尝试的结果。

哈佛公开课 - 计算机科学课程节选

These principles were the result of thousands of years of reflection on periods of trial and error by the greatest minds of each of their times.

FORBES: Why John Maynard Keynes Was A Keynesian

The Met is refusing to repeat itself and is seeking, by trial and error, a new theatrical identity.

NEWYORKER: Fiasco

This way of developing new products by trial and error makes the fund-management business unique among big industries.

ECONOMIST: Ogling Bogle | The