needless to sayは不定詞の慣用表現として紹介されることが多いです。

Sentence Analyzer

needless to say 不定 慣用 表現 として 紹介される こと 多い です

English Translation

'needless to say' is often introduced as an idiomatic expression in the infinitive.

Furigana

needlesstosayは不定(ふてい)(ことば)慣用(かんよう)表現(ひょうげん)として紹介(しょうかい)されることが(おお)いです。

Romanji

Needless to say wa futei kotoba no kan'yō hyōgen toshite shōkaisareru koto ga ōi desu.

Words

()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
不定 (ふじょう、ふてい)
uncertainty; insecurity; inconstancy; indefinite; undecided
言葉 (ことば、けとば)
language; dialect; word; words; phrase; term; expression; remark; speech; (manner of) speaking
()
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
慣用 (かんよう)
common; customary
表現 (ひょうげん)
expression; presentation; representation; notation
として (として)
as (i.e. in the role of); for (i.e. from the viewpoint of); apart from... (used to change the topic); even (e.g. "not even a single person"); thinking that...; trying to...
紹介 (しょうかい)
introduction; presentation; referral; listing
(こと、こん)
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
多い (おおい)
many; numerous
です (です)
be; is

Kanji

Readings: フ、 ブ
Meanings: negative, non-, bad, ugly, clumsy
Readings: テイ、 ジョウ、 さだ.める、 さだ.まる、 さだ.か
Meanings: determine, fix, establish, decide
Reading: 
Meanings: part of speech, words, poetry
Readings: カン、 な.れる、 な.らす
Meanings: accustomed, get used to, become experienced
Readings: ヨウ、 もち.いる
Meanings: utilize, business, service, use, employ
Readings: ヒョウ、 おもて、 -おもて、 あらわ.す、 あらわ.れる、 あら.わす
Meanings: surface, table, chart, diagram
Readings: ゲン、 あらわ.れる、 あらわ.す、 うつつ、 うつ.つ
Meanings: present, existing, actual
Reading: ショウ
Meanings: introduce, inherit, help
Reading: カイ
Meanings: jammed in, shellfish, mediate, concern oneself with
Readings: タ、 おお.い、 まさ.に、 まさ.る
Meanings: many, frequent, much