暗あん算ざん

import { getVocabById } from 'kotowa';
getVocabById('3db9caca40'); // 暗算

{
  "id": "3db9caca40",
  "word": "暗算",
  "reading": "あんざん",
  "romaji": "anzan",
  "meanings": [
    "mental arithmetic"
  ],
  "level": "N1",
  "pos": [
    "n",
    "vs",
    "vt"
  ],
  "jmdict_id": 1154540,
  "examples": [
    {
      "ja": "彼は暗算をするほど頭が良くない。",
      "en": "He doesn't have enough brains to do sums in his head.",
      "tatoeba_id": 110180
    },
    {
      "ja": "この計算は暗算でできる。",
      "en": "I can do this calculation mentally."
    },
    {
      "ja": "暗算で答えを出した。",
      "en": "I worked out the answer in my head."
    }
  ],
  "zh": {
    "source_hash": "b1c981f5012bbb87734d7fb5e6b7d779e5e108bafda0fa1222f5e15b26f3d761",
    "meanings": [
      "心算"
    ],
    "examples": [
      {
        "ja": "彼は暗算をするほど頭が良くない。",
        "zh": "他不够聪明，无法进行心算。"
      },
      {
        "ja": "この計算は暗算でできる。",
        "zh": "这道计算可以心算。"
      },
      {
        "ja": "暗算で答えを出した。",
        "zh": "我通过心算得出了答案。"
      }
    ],
    "references": [
      "upstream vocab/n1/3db9caca40",
      "JMdict ent_seq 1154540; checked against downloaded JMdict_e.gz on 2026-10-28",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "review_hash": "93830235b23b5b8111822fe1726fa4033ab39341ef1cac30c659e65cc7093f0f",
    "status": "reviewed",
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28"
  }
}