〜わけだ
N3wake da
no wonder; that's why; it follows that
Formation
Verb-plain / i-Adj / na-Adj + な / Noun + という + わけだ
Chinese meanings
难怪;原来如此;也就是说
Chinese formation
动词普通形/い形容词普通形/な形容词词干+な/名词+という+わけだ
Chinese usage
根据已知事实得出自然的结论,也可表示弄明白了原因。
Chinese notes
常与だから、どうりで等呼应。
Examples
- 三年も中国に住んでいたんですか。だから中国語が上手なわけですね。You lived in China for three years? That's why your Chinese is so good.你在中国住过三年啊,难怪中文这么好。
- 窓が全部開いている。どうりで寒いわけだ。All the windows are open. No wonder it's cold.窗户全开着,难怪这么冷。
- この本は三百ページだから、一日に二十ページ読めば、十五日で読み終わるわけだ。This book has 300 pages, so if I read twenty pages a day, that means I'll finish it in fifteen days.这本书有三百页,每天读二十页的话,也就是说十五天能读完。
Notes
States a conclusion that follows naturally from known facts, often with a feeling of 'now I understand'. Often preceded by だから, それで or どうりで.
#reason#result
Related N3 grammar
Use this entry in code
import { getGrammarById } from 'kotowa';
getGrammarById('wake-da');
{
"id": "wake-da",
"pattern": "〜わけだ",
"romaji": "wake da",
"level": "N3",
"meaning": "no wonder; that's why; it follows that",
"formation": "Verb-plain / i-Adj / na-Adj + な / Noun + という + わけだ",
"examples": [
{
"ja": "三年も中国に住んでいたんですか。だから中国語が上手なわけですね。",
"furigana": "{三|さん}{年|ねん}も{中国|ちゅうごく}に{住|す}んでいたんですか。だから{中国|ちゅうごく}{語|ご}が{上手|じょうず}なわけですね。",
"en": "You lived in China for three years? That's why your Chinese is so good."
},
{
"ja": "窓が全部開いている。どうりで寒いわけだ。",
"furigana": "{窓|まど}が{全部|ぜんぶ}{開|あ}いている。どうりで{寒|さむ}いわけだ。",
"en": "All the windows are open. No wonder it's cold."
},
{
"ja": "この本は三百ページだから、一日に二十ページ読めば、十五日で読み終わるわけだ。",
"furigana": "この{本|ほん}は{三百|さんびゃく}ページだから、{一|いち}{日|にち}に{二|に}{十|じゅう}ページ{読|よ}めば、{十|じゅう}{五|ご}{日|にち}で{読|よ}み{終|お}わるわけだ。",
"en": "This book has 300 pages, so if I read twenty pages a day, that means I'll finish it in fifteen days."
}
],
"tags": [
"reason",
"result"
],
"notes": "States a conclusion that follows naturally from known facts, often with a feeling of 'now I understand'. Often preceded by だから, それで or どうりで.",
"zh": {
"status": "reviewed",
"source_hash": "2b13b098f101dc091cf70c887b46c71f82d42a98eedab23797fa559e3f5a702d",
"meanings": [
"难怪",
"原来如此",
"也就是说"
],
"formation": "动词普通形/い形容词普通形/な形容词词干+な/名词+という+わけだ",
"explanation": "根据已知事实得出自然的结论,也可表示弄明白了原因。",
"notes": "常与だから、どうりで等呼应。",
"examples": [
{
"ja": "三年も中国に住んでいたんですか。だから中国語が上手なわけですね。",
"zh": "你在中国住过三年啊,难怪中文这么好。"
},
{
"ja": "窓が全部開いている。どうりで寒いわけだ。",
"zh": "窗户全开着,难怪这么冷。"
},
{
"ja": "この本は三百ページだから、一日に二十ページ読めば、十五日で読み終わるわけだ。",
"zh": "这本书有三百页,每天读二十页的话,也就是说十五天能读完。"
}
],
"references": [
"sources/grammar/n3.json#wake-da",
"Original Chinese authored and reviewed by Codex; no independent human review"
],
"reviewer": "Codex",
"review_method": "ai",
"reviewed_at": "2026-10-28",
"review_hash": "8db2e8e42402c3b86983dbf66ffab1ca438600fb373055f5939a4466e01151fb"
}
}