なんでそんなに騒いでいるのか。

what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

so much; so; like that

to make noise; to make racket; to be noisy; to rustle; to swoosh; to make merry; to clamor; to clamour; to make a fuss; to kick up a fuss; to lose one's cool; to panic; to act flustered; to feel tense; to be uneasy; to be excited

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way