Your explanation is nothing but an overkill.

你的解释只是多此一举。

The existing nuclear overkill has caused a lot of panic.

现有的核杀伤过度引起了很多人的恐慌。

It is an overkill that you apologize to him.

你向他道歉是适得其反。

Seems like you went a little overkill on the makeup.

你的妆化得好像有点过了。

Such security measures may be overkill.

如此安全措施可能是过分之举。

There is a danger of overkill if you plan everything too carefully.

如果事事过分谨小慎微，那结果难免有适得其反的危险。

But Europe risks overkill.

但欧洲的风险甚巨。

Too often, the result is overkill.

结果在大多数时候都是毁伤过度。

These are overkill for our limited needs.

这对我们项目的需要来说是杀鸡用牛刀。