ここ数年にわたって彼らの製品の質は落ちてきた。

Sentence Analyzer

English Translation

The quality of their products has gone down over the years.

Furigana

ここ数(すう)年(ねん)にわたって彼(かれ)らの製品(せいひん)の質(しつ)は落(お)ちてきた。

Romanji

Koko sū nen niwatatte karera no seihin no shitsu wa ochitekita.

Words

此処 (ここ)

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

年 (とし)

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

に渡って (にわたって)

throughout; over a period of ...; over a span of ...

彼ら (かれら)

they (usually male); them

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

製品 (せいひん)

manufactured goods; finished goods; product

質 (しつ)

quality

は (は)

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

落ちる (おちる)

to fall down; to drop; to fall (e.g. rain); to sink (e.g. sun or moon); to fall onto (e.g. light or one's gaze); to be used in a certain place (e.g. money); to be omitted; to be missing; to decrease; to sink; to fail (e.g. exam or class); to lose (contest, election, etc.); to crash; to degenerate; to degrade; to fall behind; to become indecent (of a conversation); to be ruined; to go under; to fade; to come out (e.g. a stain); to come off (e.g. makeup); to be removed (e.g. illness, possessing spirit, name on a list); to fall (into someone's hands); to become someone's possession; to fall (into a trap); to fall (for a trick); to give in; to give up; to confess; to flee; to fall; to be defeated; to surrender; to come to (in the end); to end in; to fall (in love, asleep, etc.); to swoon (judo); to consent; to understand; to crash; to freeze; to die; to move to the depths