せい

import { getVocabById } from 'kotowa';
getVocabById('42d77d4da9'); // せい

{
  "id": "42d77d4da9",
  "word": "せい",
  "reading": "せい",
  "romaji": "sei",
  "meanings": [
    "cause",
    "reason",
    "fault"
  ],
  "level": "N3",
  "pos": [
    "n"
  ],
  "jmdict_id": 1610040,
  "other_forms": [
    "所為"
  ],
  "examples": [
    {
      "ja": "あなたの頭痛は過労のせいだ。",
      "furigana": "あなたの{頭痛|ずつう}は{過労|かろう}のせいだ。",
      "en": "Your headache comes from overwork.",
      "tatoeba_id": 233064
    },
    {
      "ja": "彼は失敗を弟のせいだと非難した。",
      "furigana": "{彼|かれ}は{失敗|しっぱい}を{弟|おとうと}のせいだと{非難|ひなん}した。",
      "en": "He blamed the failure on his brother.",
      "tatoeba_id": 104749
    }
  ],
  "zh": {
    "source_hash": "6f2a8db8d80e09d24fbd91c8bc7f3f33956d07c3e9fc833ed355a09a62997f09",
    "meanings": [
      "原因",
      "过错"
    ],
    "examples": [
      {
        "ja": "あなたの頭痛は過労のせいだ。",
        "zh": "你的头痛是过劳造成的。"
      },
      {
        "ja": "彼は失敗を弟のせいだと非難した。",
        "zh": "他责怪弟弟导致了失败。"
      }
    ],
    "references": [
      "upstream vocab/n3/42d77d4da9",
      "JMdict ent_seq 1610040; checked against downloaded JMdict_e.gz on 2026-10-28",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "review_hash": "b8d2bed895b97a847825225fb32d6d0c2c928f8e0a47ff273fabf56e39ccf2c3",
    "status": "reviewed",
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28"
  }
}