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what
so-and-so; such and such; something (or other)
what?; wait; hang on
well, well; let's see
no; oh (not at all); please; there, there
何々、面白い話があるって?詳しく教えて。
What what, you have an interesting story?
何々を用意すればいいですか。教えてください。
What things should I prepare?
書類に名前や住所など何々を記入する。
You fill in such-and-such on the form, like your name and address.