The upgrade should not reintroduce any previously fixed bugs (first, do no harm).

升级不应该再次引入以前修复的任何 bug（也就是说，首先不能导致损害）。

youdao

If in doubt, we should be heedful of the maxim Primum non nocere: first, do no harm.

如果新功能值得怀疑，我们应该谨记格言 Primum non nocere：首先，不要造成伤害。

youdao

All in keeping with the Hippocratic oath: first, do no harm.

一切为了遵从希波克拉底的誓言：第一，不伤害他人。

youdao

And our belief is based on the fundamental ethical precept of medicine is that we first do no harm.

NPR: The Medical Ethics of the Death Penalty

You know, the dictum is - like it is in medicine - is you first do no harm when you get there.

NPR: Examining Protocol In Disorderly Conduct Cases

Take a page from the doctors' oath and 'first do no harm.

CNN: Letting knives on planes would be insane