GRAMMAR
〜事なの
(a) means that ~
Explanation
NOTE
〜ことなの is a casual explanatory expression meaning it is the case that or it means that. It combines こと (nominalizer) with the explanatory の.
Used in spoken, casual Japanese to explain or emphasize the nature of a situation. In more formal contexts, 〜ということです is used instead.
彼が怒っているのは、本気だということなの。
The fact that he is angry means he is serious.
This construction is used to explain a reason or provide a definitive clarification for a preceding statement.
STRUCTURE
V普
ことなの大切なのは、続けることなの。
Taisetsu na no wa, tsuzukeru koto na no.
What is important is that you keep going.
問題はお金がないことなの。
Mondai wa okane ga nai koto na no.
The issue is that there is no money.
彼女が来ないことなのが残念だ。
Kanojo ga konai koto na no ga zannen da.
It is a shame that she is not coming.
Practice exercises
1
問題は時間が足りないことなの。
The issue is that there isn't enough time.
Answer
ことなの
2
大事なのは正直に言うことなの。
What matters is that you speak honestly.
Answer
ことなの
3
彼が辞めたことなの、知らなかった。
I didn't know that he had quit.
Answer
ことなの
4
私が一番言いたい事なの。
What I want to say most is that ~.
Answer
事なの
5
彼が辞退した背景には、家族の事情があったことなの。
Behind his withdrawal, the fact is that there were family circumstances.
Answer
ことなの
6
私が一番言いたい事なの。
What I want to say most is that ~.
Answer
事なの
7
好きなことなの。
The thing is I like it.
Answer
ことなの
8
大切なのは毎日練習を続けることなの。
What is important is that you keep practicing every day.
Answer
ことなの
9
彼女が本当に心配しているのは、君の将来のことなの。
What she is truly worried about is your future.
Answer
ことなの