This illness can be fatal in an extreme case.

这种病在极端情况下可能会致命。

In an extreme case, we might need to evacuate.

在极端情况下，我们可能需要撤离。

This weather is an extreme case and is very rare.

这种天气是极端情况，很少见。

We will only take this measure in an extreme case.

只有在极端情况下，我们才会采取这种措施。

The law permits the use of force in an extreme case.

在极端情况下，法律允许使用武力。

She was suffering from an extreme case of sunburn.

她患有严重的晒伤。

Tuesday night is an extreme case.

周二晚是个极端的例子。

The oil spill example is an extreme case.

漏油案例是一个极端的例子。

So in extreme case a, 1 we saw that z effective was 1.

在极端案例a中，我们看到有效的z是。

Not seeing that unless the reasons are good for an extreme case, they are not good for any case.

他们没有看到，凡是理由，若不在极端的情事上有效，就不会在任何情事上有效。