多么荒谬的解释！

What an ___absurd explanation!

这情形真荒谬——他们俩谁也不跟对方说话。

It's an ___absurd situation - neither of them will talk to the other.

人们为这么短的距离开车是很荒唐的。

It's ___absurd that people use cars for such short distances.