I lost just because of a small error.

刚才只是我小小的失误而已。

youdao

One small error precipitated the disaster.

一个小小的错误酿成这一灾难。

youdao

One small error, one misperception, creates a world of suffering.

一个小错误、一个小错误感知产生出的是无穷的痛苦。

youdao

One small error, such as listing the name of a former employer after the years worked there, instead of before, can ruin a great candidate's chances.

WSJ: Your Resume vs. Oblivion

The margin for error is small for such services and should even one serious mishap occur and become public, this whole burgeoning industry could crumble through widespread parental mistrust.

FORBES: Finding A Babysitter Online: Too Risky?

Five years later, the likelihood is so small that it could be characterized as a rounding error.

FORBES: Finally, An Answer To The Active Versus Passive Strategy Debate