Making the wrong decision could prove expensive.

错误的决策可能会付出昂贵的代价。

《牛津词典》

She knew in her heart of hearts that she was making the wrong decision.

她心底里明白她在作出错误的决定。

《牛津词典》

This might not be right, but school-leavers who fail to acknowledge as much risk making the wrong decision about going to university.

这不一定是对的，但是那些不承认这一点的中学毕业生有可能会做出关于上大学的错误决定。

youdao

While this practice is more often than not followed to simplify workflow rather than born of malice, it raises serious questions about the accountability of individual members of IT when something in fact does go wrong, e.g. poor decision-making that results in resource downtime.

FORBES: Data Security and Identity Access Management

And when our soft data turns out to be wrong, it can have disastrous consequences for our decision-making processes.

FORBES: Slowing Down to Go Fast

The Italian prime minister, Silvio Berlusconi - who faces an important parliamentary vote on the 2010 budget report tomorrow - insists markets are making the wrong decision about his country's finances.

BBC: Italy on the brink