自分の約束は誠意を持って守らなければならない。

Sentence Analyzer

English Translation

You should be true to your word.

Furigana

自分(じぶん)の約束(やくそく)は誠意(せいい)を持(も)って守(まも)らなければならない。

Romanji

Jibun no yakusoku wa seii o motte mamoranakerebanaranai.

Words

自分 (じぶん)

myself; yourself; oneself; himself; herself; I; me; you

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

約束 (やくそく)

promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate

は (は)

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

誠意 (せいい)

sincerity; good faith

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.

持つ (もつ)

to hold (in one's hand); to take; to carry; to possess; to have; to own; to maintain; to keep; to last; to be durable; to keep; to survive; to take charge of; to be in charge of

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