〜てこそ

import { getGrammarById } from 'kotowa';
getGrammarById('te-koso');

{
  "id": "te-koso",
  "pattern": "〜てこそ",
  "romaji": "te koso",
  "level": "N2",
  "meaning": "only by (doing); only when",
  "formation": "Verb-te + こそ",
  "examples": [
    {
      "ja": "自分で経験してこそ、本当の意味で理解できるのだ。",
      "furigana": "{自分|じぶん}で{経験|けいけん}してこそ、{本当|ほんとう}の{意味|いみ}で{理解|りかい}できるのだ。",
      "en": "Only by experiencing it yourself can you truly understand it."
    },
    {
      "ja": "お互いに協力し合ってこそ、チームは強くなる。",
      "furigana": "お{互|たが}いに{協力|きょうりょく}し{合|あ}ってこそ、チームは{強|つよ}くなる。",
      "en": "A team only becomes strong when its members work together."
    }
  ],
  "tags": [
    "condition",
    "emphasis"
  ],
  "notes": "Stresses that A is the essential condition for the real value or result in B. 〜てはじめて (N3) is more neutral, focusing on timing.",
  "zh": {
    "status": "reviewed",
    "source_hash": "733b3f187ef8775dc35dd6bb8884fd88a24afeb0e67f8f27c570c70513be56a4",
    "meanings": [
      "只有……才"
    ],
    "formation": "动词て形＋こそ",
    "explanation": "强调前项是实现后项的重要条件。",
    "notes": "てはじめて更侧重时间顺序。",
    "examples": [
      {
        "ja": "自分で経験してこそ、本当の意味で理解できるのだ。",
        "zh": "只有亲身经历，才能真正理解。"
      },
      {
        "ja": "お互いに協力し合ってこそ、チームは強くなる。",
        "zh": "只有互相合作，团队才会变强。"
      }
    ],
    "references": [
      "sources/grammar/n2.json#te-koso",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "0689e7f9eb3e915db8ef65c6e9e2b7db2abd8b53f3fd3dc6c866296c6ef665b6"
  }
}