Until now, a devaluation of the dollar seemed inconceivable.直至现在, 美元贬值似乎仍然是无法想象的。

After what's happened today, a reconciliation is almost inconceivable.发生了今天的事以后, 和解几乎想都不要想了。

It's quite inconceivable that David could have done it.真想不到戴维竟然做到了。