ぼくたちはいつも規則を守らなくてはいけない。

Sentence Analyzer

ぼくたち いつも 規則 守らなくて はいけない

English Translation

We always have to obey the rules.

Furigana

ぼくたちはいつも規則(きそく)(まも)らなくてはいけない。

Romanji

Bokutachi wa itsumo kisoku o mamoranakute waikenai.

Words

僕達 (ぼくたち)
we
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
何時も (いつも)
always; usually; every time; never
規則 (きそく)
rules; regulations; conventions
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
守る (まもる)
to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow
()
if ... then; when; and; why don't you...?; the more (one does something); because; since

Kanji

Reading: 
Meanings: standard, measure
Readings: ソク、 のっと.る
Meanings: rule, follow, based on, model after
Readings: シュ、 ス、 まも.る、 まも.り、 もり、 -もり、 かみ
Meanings: guard, protect, defend, obey