I couldn't finish the tasks in time and even made many mistakes.

我不能及时完成任务，甚至犯了很多错误。

youdao

Commercial developers have already made many of the mistakes that you are about to, and the cost of their wisdom is cheap compared to the loss of your precious data.

商业化的开发人员已经犯了您即将要犯的许多错误，他们的智慧的代价相比于丢失您的宝贵数据来说是廉价的。

youdao

Every successful person has faced many fears, made many mistakes, and wanted to throw in the towel countless times.

每一位成功者都面临过无数的恐惧，犯过许多的错误，有过很多时候想认输。

youdao

There are many people who made big mistakes and many regulators who made mistakes, so we need to figure out what those were and make sure they don't happen again.

NPR: Senators Skeptical Of Bailout Package

We made a mistake on that and I think many involved in this made mistakes on it.

WHITEHOUSE: Press Briefing

We made too many mistakes and played too quickly.

BBC: Rafael Benitez hits out at Liverpool side as Wigan win