The quality is too bad.

这是质量问题。

youdao

However, if the quality of the actual code is too bad, it may not be worth the effort of complete reengineering.

然而，如果实际的代码质量太差，那么可能不值得完全再造工程的工作。

youdao

I can work hard, but working too much means that what I create is strained - it's lower quality, less interesting, and ultimately bad work.

我会努力地工作，但工作过度意味着我的工作成果只是在应付——质量低、乏味，简直糟糕透顶。

youdao

On the matter of quality, however, Mr Prodi's group does not look too bad.

ECONOMIST: The European Commission: New broom sweeps half-clean | The