You must try to learn from your mistakes.

你得从所犯错误中吸取教训。

《牛津词典》

You have to learn from your mistakes.

你必须从自己的错误中学习。

youdao

The only real failure is the failure to learn from your mistakes.

唯一真正的失败就是没有从错误中吸取经验。

youdao

It is very important to learn from your mistakes.

BBC: England bowlers please Strauss in win over Australia

You get to learn from all your competitors mistakes, and maybe create a better molecule or at least run better designed clinical trials.

FORBES: An Innovator's Dilemma For Merck AIDS Drug

The crew might be more familiar with riggings than roulades but Lim and Tuck have a simple message for them when it comes to cooking: "We encourage you to follow this bit of sage advice from Julia Child: 'Learn how to cook -- try new recipes, learn from your mistakes, be fearless, and above all have fun!'"

CNN: STORY HIGHLIGHTS