彼らは数学のテストのために一生懸命勉強しなければなりません。

Sentence Analyzer

English Translation

They have to study hard for the math test.

Furigana

彼(かれ)らは数学(すうがく)のテストのために一生懸命(いっしょうけんめい)勉強(べんきょう)しなければなりません。

Romanji

Karera wa sūgaku no tesuto no tameni isshōkenmei benkyōshinakerebanarimasen.

Words

彼ら (かれら)

they (usually male); them

は (は)

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

数学 (すうがく)

mathematics; arithmetic

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

テスト (テスト)

test

為に (ために)

for; for the sake of; to one's advantage; in favor of; in favour of; on behalf of; because of; as a result of

一生懸命 (いっしょうけんめい)

very hard; with utmost effort; with all one's might; for dear life

勉強 (べんきょう)

study; diligence; discount; reduction