ずもがな
(Zu mo ga na)
unnecessary / better left unsaid.
Connection rules
- +V ない-stem + ずもがな. Most common: 言わずもがな.
- +Literary / classical — 'better left undone / unsaid'.
- +Almost exclusively in fixed phrases, most commonly 言わずもがな.
Examples
1.
言わずもがなのことを言ってしまった。

Iwazumogana no koto o i te shima ta.
I said something that would have been better left unsaid.
「unnecessary / better left unsaid」
2.
言わずもがな、健康が一番大切だ。

Iwazumogana, kenkou ga ichiban taisetsu da.
Needless to say, health is most important.
「unnecessary / better left unsaid」
Practice
Needless to say, health is more important than anything else.
___のことだが、健康は何よりも大切だ。
Romaji also accepted