〜ておく

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

{
  "id": "te-oku",
  "pattern": "〜ておく",
  "romaji": "te oku",
  "level": "N4",
  "meaning": "do in advance (to prepare); do and leave as is",
  "formation": "Verb-te + おく",
  "examples": [
    {
      "ja": "旅行の前に、ホテルを予約しておきます。",
      "furigana": "{旅行|りょこう}の{前|まえ}に、ホテルを{予約|よやく}しておきます。",
      "en": "I'll book the hotel before the trip."
    },
    {
      "ja": "パーティーのために、飲み物を冷やしておいた。",
      "furigana": "パーティーのために、{飲|の}み{物|もの}を{冷|ひ}やしておいた。",
      "en": "I chilled the drinks for the party."
    },
    {
      "ja": "エアコンはつけておいてください。",
      "en": "Please leave the air conditioner on."
    }
  ],
  "tags": [
    "purpose",
    "state"
  ],
  "notes": "In casual speech 〜ておく often becomes 〜とく (買っとく), and 〜でおく becomes 〜どく (読んどく).",
  "zh": {
    "status": "reviewed",
    "source_hash": "9fb49e2ad1e1f01b80a6aca0f0fe897129bc5a0d706e6233f674857852ace10d",
    "meanings": [
      "事先做好……",
      "保持……状态"
    ],
    "formation": "动词て形＋おく",
    "explanation": "为了后续需要而提前做某事，或让某个状态继续保持。",
    "notes": "口语中ておく常缩约为とく；つけておく可表示保持开着。",
    "examples": [
      {
        "ja": "旅行の前に、ホテルを予約しておきます。",
        "zh": "我会在旅行前先订好酒店。"
      },
      {
        "ja": "パーティーのために、飲み物を冷やしておいた。",
        "zh": "我提前为聚会把饮料冰好了。"
      },
      {
        "ja": "エアコンはつけておいてください。",
        "zh": "请让空调保持开着。"
      }
    ],
    "references": [
      "sources/grammar/n4.json#te-oku",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "adef931b3ed83bef364f7d3f37a2793ba16aca21a3b0e62f91c7db2f7638bfe8"
  }
}