に相違ない
(Ni soui nai)
no doubt / certainly / I'm sure.
Connection rules
- ＋V plain / i-adj + に相違ない; na-adj / noun + に相違ない.
- ＋Formal / literary equivalent of 〜に違いない.
- ＋Very common in formal writing: news, reports, essays.
Examples
1.
彼が犯人に相違ない。
Kare ga hannin ni soui nai.
There's no doubt he's the culprit.
「no doubt / certainly / I'm sure」
2.
この話は事実に相違ない。
Kono hanashi wa jijitsu ni soui nai.
This story is certainly true.
「no doubt / certainly / I'm sure」
Practice
Given his efforts so far, there is no doubt that he has passed the exam.
これまでの彼の努力からすれば、試験に___。
Romaji also accepted