君はもう大人になったのだから、子供のように振る舞ってはいけない。

Sentence Analyzer

English Translation

Now that you're grown up, you must not behave like that.

Furigana

君(きみ)はもう大人(おとな)になったのだから、子供(こども)のように振(ふ)る舞(ま)ってはいけない。

Romanji

Kimi wa mō otona ni natta no da kara, kodomo no yōni furumatte waikenai.

Words

君 (きみ)

you; buddy; pal; monarch; ruler; sovereign; (one's) master

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

もう (もう)

now; soon; shortly; before long; presently; already; yet; by now; (not) anymore; further; more; again; another; the other; interjection used to strengthen expression of an emotion (often exasperation)

大人 (おとな、だいにん)

adult

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

成る (なる)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

の (の)

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

だ (だ)

be; is; indicates past or completed action; indicates light imperative

から (から)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

子供 (こども)

child; children

様に (ように)

in order to (e.g. meet goal); so that; take care (so as); hoping or wishing for something

振る舞う (ふるまう)

to behave; to conduct oneself; to entertain; to treat someone (to a drink); to make tea for someone (tea ceremony)

ば (ば)

if ... then; when; and; why don't you...?; the more (one does something); because; since