The character was obviously wrong but he didn't pick it out. It shows how careless he was.

字明显错了，但他都没把它挑出来。可见他有多粗心。

youdao

You cannot live your children's lives for them; you can only be there to pick up the pieces when things go wrong.

你不能替孩子过活，只能在出现问题时帮忙解决。

《牛津词典》

It can't pick up sound, or beep at us if something's wrong.

它又不能接收声音，又不能在事情不对劲儿的时候发出警报。

youdao

For example, one thing that could happen is that you build it up with wood and clay, you pick the wrong material for a bridge, and it will not stand up to the forces of nature.

例如,其中的一个问题是,选择了木头和粘土作为造桥的材料,你就选错了材料,这座桥难以与自然力相抗衡

耶鲁公开课 - 生物医学工程探索课程节选

Gatland admits he was wrong to pick Cooper to start against Scotland, with Rees having made a strong case for the starting nine shirt with his performances off the bench.

BBC: Wales boss Gatland warns Martyn Williams and Ryan Jones

However, they can often pick the wrong man: on June 30th, the coalition-appointed mayor of Najaf was arrested on charges of corruption.

ECONOMIST: Problems, problems | The

Mistakes will happen, they'll pick the wrong person up, someone will happen to fit a crime suspect description, but the way the police conduct themselves needs to be extremely professional.

NPR: Study Focuses on NYPD Racial Profiling