“Come to think of it” in Japanese
Short answer
Come to think of it in Japanese is “そういや” (souiya). Full meaning: which reminds me ..., come to think of it ..., now that you mention it ..., on that subject ..., so, if you say ....
Other ways to say “Come to think of it” in Japanese
そう言えば
souieba now that you mention it, come to think of it, that reminds me, on that subject, speaking of which
考えてみれば
kangaetemireba if you think about it, come to think of it
よく考えたら
yokukangaetara on closer reflection, on second thought, come to think of it, actually
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