人間は赤ん坊のときは四つんばいで、それから２本の足で歩くようになり、最後は年をとって杖が必要になる。

Sentence Analyzer

English Translation

It crawls on all fours as a baby, then learns to walk on two legs, and finally needs a cane in old age.

Furigana

人間(にんげん)は赤(あか)ん坊(ぼう)のときは四(よ)つんばいで、それから２本(ほん)の足(あし)で歩(ある)くようになり、最後(さいご)は年(とし)をとって杖(つえ)が必要(ひつよう)になる。

Romanji

Ningen wa akanbō no toki wa yotsunbai de, sore kara ni hon no ashi de aruku yō ni nari, saigo wa toshi o totte tsue ga hitsuyō ni naru.

Words

人間 (にんげん)

human being; person; man; mankind; humankind; character (of a person)

は (は)

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

赤ん坊 (あかんぼう、あかんぼ)

baby; infant

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

とき (とき)

regular (stops at every station) Jouetsu-line Shinkansen

四つん這い (よっつんばい、よつんばい)

(crawl) on all fours; on one's hands and feet; falling flat

で (で、にて)

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.

其れ (それ)

that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you

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

二 (に、ふた、ふ、ふう)

two

本 (ほん)

book; volume; script; this; present; main; head; real; regular; counter for long cylindrical things; counter for films, TV shows, etc.; counter for goals, home runs, etc.; counter for telephone calls

足 (あし)

foot; leg; gait; pace; bottom structural component (i.e. radical) of a kanji; means of transportation; money; coin

歩く (あるく)

to walk

様 (よう)

appearing ...; looking ...; way to ...; method of ...ing; form; style; design; like; similar to; thing (thought or spoken)

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

なる (なる)

that is in; who is called; that is called; that is

最後 (さいご)

last; end; conclusion; latest; most recent; no sooner than; right after (often having negative consequences); one's final moments

年 (とし)

year; many years; age; past one's prime; old age

を (を)

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.

穫る (とる)

to harvest (a crop)

杖 (つえ)

cane; walking stick; staff; wand

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

必要 (ひつよう)

necessary; needed; essential; indispensable; necessity; need; requirement

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 ...