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

一いっ斉せい

N2
いっせい issei
  1. simultaneous
  2. all at once
adverbnoun

Chinese meanings

同时;一齐

Examples

  • 彼かれらは一いっ斉せいに立たち上あがった。
    They stood up simultaneously.
    他们一齐站起来。
  • 彼かれらは一いっ斉せいにスタートした。
    They started all at once.
    他们同时出发。
Use this entry in code
import { getVocabById } from 'kotowa';
getVocabById('b1205d9b83'); // 一斉
{
  "id": "b1205d9b83",
  "word": "一斉",
  "reading": "いっせい",
  "romaji": "issei",
  "meanings": [
    "simultaneous",
    "all at once"
  ],
  "level": "N2",
  "pos": [
    "adv",
    "n"
  ],
  "jmdict_id": 1164040,
  "examples": [
    {
      "ja": "彼らは一斉に立ち上がった。",
      "furigana": "{彼|かれ}らは{一斉|いっせい}に{立|た}ち{上|あ}がった。",
      "en": "They stood up simultaneously.",
      "tatoeba_id": 97538
    },
    {
      "ja": "彼らは一斉にスタートした。",
      "furigana": "{彼|かれ}らは{一斉|いっせい}にスタートした。",
      "en": "They started all at once.",
      "tatoeba_id": 97539
    }
  ],
  "zh": {
    "status": "reviewed",
    "source_hash": "2757beeeaafb709345ed3046cceb9b41363d541b8b5b8686f51238a71ac4a9b4",
    "meanings": [
      "同时",
      "一齐"
    ],
    "examples": [
      {
        "ja": "彼らは一斉に立ち上がった。",
        "zh": "他们一齐站起来。"
      },
      {
        "ja": "彼らは一斉にスタートした。",
        "zh": "他们同时出发。"
      }
    ],
    "references": [
      "upstream vocab/n2/b1205d9b83",
      "JMdict ent_seq 1164040; local JMdict_e.gz",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "bcf1c02c6db08e348adea41ba9144720a8f1c3b0c9b2fe681c12ec72b49feda2"
  }
}