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N2
てっきり (tekkiri)
てっきり

for sure, without doubt, certainly (often followed by a realization that one was mistaken)

💡 Nuance & Usage: Expresses a strong conviction or assumption about something that turned out to be wrong. It's often followed by '〜と思っていた (to omotte ita)' or '〜かと思ったら (ka to omottara)'.

📝 Example Sentences

てっきり彼は来ないと思っていたら、急に現れた。
I was sure he wasn't coming, but then he suddenly showed up.

Practice Quiz

Test your understanding of "てっきり"!

彼女は病気で会社を休むと_______思っていた。
🎉 正解 / Correct!
日本語: 「てっきり〜と思っていた」は、確信していたことが実際には違った場合に使う表現です。
English: 「てっきり〜と思っていた」 is used when one was convinced of something that turned out to be incorrect.
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