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～to Omoikiya: Contrary to Expectation

Learn to omoikiya for surprising reversals — "I thought A, but unexpectedly B." This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Learn to omoikiya for surprising reversals — "I thought A, but unexpectedly B."
  • Form and connection: [Plain form] と思おもいきや
  • Nuance in real use: と思いきや carries a classical literary flavor — it packages "unexpectedly" into an elegant reversal. In modern Japanese, it has a slightly theatrical feel, like a storyteller narrating a twist.

Form and connection

[Plain form] と思おもいきや

Core Explanation

Learn to omoikiya for surprising reversals — "I thought A, but unexpectedly B."

Cultural Note

と思いきや carries a classical literary flavor — it packages "unexpectedly" into an elegant reversal. In modern Japanese, it has a slightly theatrical feel, like a storyteller narrating a twist.

Practical examples

I thought he would come, but contrary to expectations, he didn't.
I thought it would be easy, but to my surprise it was very difficult.
I thought it would rain, but it cleared up instead.

Common pitfalls

Build the base form before adding the pattern

Complete the required conjugation first. Do not keep polite and plain endings at the same time.

Match politeness to the situation

The examples are reliable starting points; relationships and context can still change the most natural wording.

Practice and answers

1. Write the connection formula for this lesson.
Show answer[Plain form] と思おもいきや
2. Explain the meaning of the first example.
Show answerI thought he would come, but contrary to expectations, he didn't.
3. Rewrite the final example using this lesson pattern.
Show answer雨あめが降ふると思おもいきや、晴はれてきた。 ([Plain form] と思おもいきや)

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