〜に相違ない
N2〜にそういない ni soui nai
without doubt; must be; surely
Formation
Verb-plain / i-Adj / na-Adj / Noun + に相違ない
Chinese meanings
一定;无疑
Chinese formation
动词・い形容词普通形+に相違ない;な形容词词干・名词+に相違ない
Chinese usage
表示说话人坚信某事。
Chinese notes
较に違いない正式。
Examples
- この筆跡は、父のものに相違ない。This handwriting is without doubt my father's.这笔迹一定是父亲的。
- 彼の証言が事実なら、事件の背後には別の人物がいるに相違ない。If his testimony is true, there must be someone else behind the incident.如果他的证词属实,事件背后一定另有其人。
Notes
A written, formal equivalent of 〜に違いない (N3). Also seen on forms: 上記の通り相違ありません ('the above is correct').
#conjecture#formal#written
Related N2 grammar
Use this entry in code
import { getGrammarById } from 'kotowa';
getGrammarById('ni-soui-nai');
{
"id": "ni-soui-nai",
"pattern": "〜に相違ない",
"reading": "〜にそういない",
"romaji": "ni soui nai",
"level": "N2",
"meaning": "without doubt; must be; surely",
"formation": "Verb-plain / i-Adj / na-Adj / Noun + に相違ない",
"examples": [
{
"ja": "この筆跡は、父のものに相違ない。",
"furigana": "この{筆跡|ひっせき}は、{父|ちち}のものに{相違|そうい}ない。",
"en": "This handwriting is without doubt my father's."
},
{
"ja": "彼の証言が事実なら、事件の背後には別の人物がいるに相違ない。",
"furigana": "{彼|かれ}の{証言|しょうげん}が{事実|じじつ}なら、{事件|じけん}の{背後|はいご}には{別|べつ}の{人物|じんぶつ}がいるに{相違|そうい}ない。",
"en": "If his testimony is true, there must be someone else behind the incident."
}
],
"tags": [
"conjecture",
"formal",
"written"
],
"notes": "A written, formal equivalent of 〜に違いない (N3). Also seen on forms: 上記の通り相違ありません ('the above is correct').",
"zh": {
"status": "reviewed",
"source_hash": "6777fd22e858557e8f54b17c7971620a9ce32bf78fc30acfb0bd38e9893881a7",
"meanings": [
"一定",
"无疑"
],
"formation": "动词・い形容词普通形+に相違ない;な形容词词干・名词+に相違ない",
"explanation": "表示说话人坚信某事。",
"notes": "较に違いない正式。",
"examples": [
{
"ja": "この筆跡は、父のものに相違ない。",
"zh": "这笔迹一定是父亲的。"
},
{
"ja": "彼の証言が事実なら、事件の背後には別の人物がいるに相違ない。",
"zh": "如果他的证词属实,事件背后一定另有其人。"
}
],
"references": [
"sources/grammar/n2.json#ni-soui-nai",
"Original Chinese authored and reviewed by Codex; no independent human review"
],
"reviewer": "Codex",
"review_method": "ai",
"reviewed_at": "2026-10-28",
"review_hash": "c54785fb28fc0fe547fac35723149f88b8905beeed5ecce78146566c5327ae2e"
}
}