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N3
ていき (teiki)
定期

fixed period; regular; commuter pass

💡 Nuance & Usage: This word is used to describe something occurring at a fixed or regular interval (例: 定期検査 - regular inspection). It is also commonly used as a shortened form of 定期券 (teikiken), meaning a commuter pass for public transport like trains or buses.

📝 Example Sentences

毎日、定期で会社に行きます。
I go to work by commuter pass every day.

Practice Quiz

Test your understanding of "定期"!

この薬は、_______的に飲む必要があります。
🎉 正解 / Correct!
日本語: 「定期的に」は、決まった期間ごとに、という意味です。薬を規則正しく飲む場合に使います。
English: 「定期的に」 (teiki-teki ni) means 'regularly' or 'at fixed intervals', which is appropriate for taking medicine consistently.
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