没有什么能为那种行为开脱。

Nothing can ___excuse that sort of behaviour.

我认为这些目的可以为动物被关起来的事实开脱。

I think that these purposes can ___excuse the fact that the animals are locked up.

他的病并不能为他的粗鲁行为开脱。

His illness does not ___excuse his rude behaviour.