莫名其妙

The disappearance of the papers has never been accounted for.

件丢得其妙。

She rose to fame out of nowhere.

她其妙地就出了。

I often suffer from unaccountable headaches.

我常其妙地头疼。

I had to have the gnomic response interpreted for me.

我得让人给我解释一下个其妙的答复。

He was still more perplexed, for this inconsequent smile made nothing clear.

他依然更加到困惑，因为突如其来的一笑，使他到其妙。

She felt curiously content.

她到其妙地满足。

In the middle of a discussion about the weather, Liz started talking about fish. Everyone ignored the non sequitur completely.

大家正在谈论天气，莉兹开始谈起了鱼。大家对其妙的话都不予理会。