你不想加入真是太遗憾了，但决定已无法更改。

It's ___too ___bad you don't want to join, but the decision is final.

如果你错过了截止日期，那也没办法——不会给予延期的。

If you miss the deadline, ___too ___bad - no extensions will be granted.

资金已被撤回，所以我们的研究项目也只好认了。

The funding has been withdrawn, so ___too ___bad for our research project.