Meaning of 何がな in Japanese

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Definition of 何がな

なにがな(nanigana) 【何がな】

I didn't know what was what. The inside of my head had gone to panic mode and I couldn't get things straight.

私のわたし見解けんかいは何がなされるべきかということに関してにかんして彼のかれとは違っていたちがう。

My view was different from his as to what should be done.

私のわたし見解けんかいは、何がなされるべきかということに関してにかんして彼のかれとは異なっていた。

My view was different from his as to what should be done.

何がなくなっているんですか。

What is missing?

We should determine what is to be done first.