と思いきや
(To omoi ki ya)
but contrary to expectation / I thought but.
Connection rules
- +Plain-form clause + と思いきや.
- +Surprise reversal — expectation contradicted by reality.
- +Literary / narrative register.
Examples
1.
簡単と思いきや、意外に難しかった。

Kantan to omoi ki ya, igai ni muzukashika ta.
I thought it would be easy, but it was surprisingly hard.
「but contrary to expectation / I thought but」
2.
晴れると思いきや、雨が降ってきた。

Hareru to omoi ki ya, ame ga fu te ki ta.
I thought it would be sunny, but it started raining.
「but contrary to expectation / I thought but」
Practice
Just when I thought the meeting had finished, a new problem was brought up.
ようやく会議が___、また新しい問題が持ち上がった。
Romaji also accepted