JAPANESE STUDY SYSTEMKOTOWA 词和
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SILVER ERA · ことばを、少しずつ。
JLPT BANDN5 BEGINNER → N1 ADVANCED

〜だろう

N4
darou

probably; I suppose (plain form of でしょう)

Formation

Verb-plain / i-Adj / na-Adj / Noun + だろう

Chinese meanings

大概;我想

Chinese formation

动词普通形/い形容词普通形/な形容词词干/名词+だろう

Chinese usage

表示推测,是でしょう的简体形式。

Chinese notes

常与たぶん等副词搭配。

Examples

  • 明日あしたはたぶん晴はれるだろう。
    It will probably be sunny tomorrow.
    明天大概会放晴。
  • 彼かの女じょはもう家いえに着ついただろう。
    She has probably gotten home by now.
    她现在应该已经到家了。
  • この問もん題だいは子こどもには難むずかしいだろうと思おもいます。
    I think this problem is probably too hard for children.
    我想这道题对孩子来说大概太难了。

Notes

Common in writing and in men's casual speech; でしょう is the polite form. Often used with たぶん or きっと, or as 〜だろうと思う.

#conjecture

Related N4 grammar

Suggest an improvement

Use this entry in code
import { getGrammarById } from 'kotowa';
getGrammarById('darou');
{
  "id": "darou",
  "pattern": "〜だろう",
  "romaji": "darou",
  "level": "N4",
  "meaning": "probably; I suppose (plain form of でしょう)",
  "formation": "Verb-plain / i-Adj / na-Adj / Noun + だろう",
  "examples": [
    {
      "ja": "明日はたぶん晴れるだろう。",
      "furigana": "{明日|あした}はたぶん{晴|は}れるだろう。",
      "en": "It will probably be sunny tomorrow."
    },
    {
      "ja": "彼女はもう家に着いただろう。",
      "furigana": "{彼女|かのじょ}はもう{家|いえ}に{着|つ}いただろう。",
      "en": "She has probably gotten home by now."
    },
    {
      "ja": "この問題は子どもには難しいだろうと思います。",
      "furigana": "この{問題|もんだい}は{子|こ}どもには{難|むずか}しいだろうと{思|おも}います。",
      "en": "I think this problem is probably too hard for children."
    }
  ],
  "tags": [
    "conjecture"
  ],
  "notes": "Common in writing and in men's casual speech; でしょう is the polite form. Often used with たぶん or きっと, or as 〜だろうと思う.",
  "zh": {
    "status": "reviewed",
    "source_hash": "557467b8b2c8fc3d19d7a165735de9e7e7599da986fa12838436d966a131d884",
    "meanings": [
      "大概",
      "我想"
    ],
    "formation": "动词普通形/い形容词普通形/な形容词词干/名词+だろう",
    "explanation": "表示推测,是でしょう的简体形式。",
    "notes": "常与たぶん等副词搭配。",
    "examples": [
      {
        "ja": "明日はたぶん晴れるだろう。",
        "zh": "明天大概会放晴。"
      },
      {
        "ja": "彼女はもう家に着いただろう。",
        "zh": "她现在应该已经到家了。"
      },
      {
        "ja": "この問題は子どもには難しいだろうと思います。",
        "zh": "我想这道题对孩子来说大概太难了。"
      }
    ],
    "references": [
      "sources/grammar/n4.json#darou",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "527d4501225639dbfccf6b7aeb4bb7b80c98974d70117fdf4961b4fb7fdb0a68"
  }
}