言うまでもない

About

言いうまでもない is similar to "it goes without saying" in English, and has two main uses:

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  ① "It goes without saying, but..." (at the start of a sentence)

• 

  ② "It goes without saying that X", (at the end/in the middle of a sentence)

For usage ①, 言いうまでもない should be followed by a conjunction expressing "but", such as だが, or けど. ～ことだが・だけど, are also possible.

E.g. 言いうまでもないことだけど、仕事しごとよりも健康けんこうの方ほうが大事だいじですよ。 "It goes without saying, but (your) health is more important than (your) work."

For usage ②, 言いうまでもない should be preceded by は, and ～は言いうまでもない is most often preceded by a nominalized verb/adjective, with ～であることは・～なのは and ～ことは being the most common patterns.

E.g. スティーブがハンサムであることは言いうまでもない。 "It goes without saying that Steve is handsome.

E.g. その瞬間しゅんかんに二人ふたりが恋こいに落おちたことは、言いうまでもありません。 "It goes without saying that the two fell in love that instant."

For usage ②, ～は言いうまでもない may also be preceded directly by nouns, or こそあど words such as それ.

E.g. それは言いうまでもないことだ。 "That goes without saying."

Summary

• 

  言いうまでもない is similar to "it goes without saying" in English, and has two main uses: ① "It goes without saying, but..." (at the start of a sentence), ② "It goes without saying that X", (at the end/in the middle of a sentence)

• 

  For usage ①, 言いうまでもない should be followed by a conjunction expressing "but"

• 

  For usage ②, 言いうまでもない should be preceded by は

• 

  For usage ②, ～は言いうまでもない may also be preceded directly by nouns, or こそあど words such as それ