水道管が破裂しちゃったらどうするの？

N4 水道 suidou water supply, water service, plumbing N3 管 kuda pipe, tube N1 破裂 haretsu explosion, rupture, break off N5 どう dou how N5 する suru do, perform, try

N5 水 sui / mizu, mizu- water, eau, agua N4 道 dou, tou / michi, iu road-way, street, district N2 管 kan / kuda pipe, tube, wind instrument N3 破 ha / yabu.ru, yabu.reru, wa.reru rend, rip, tear N1 裂 retsu / sa.ku, sa.keru, -gi.re split, rend, tear

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase