そういえば
sōieba
which reminds me ..
Example sentences
そういえば、前ここで働いていたあの人、どうなったの?
Now that you mention it, what happened to that man who used to work here?
そういえば、確かに太郎を見かけました。
Come to think of it, I did see Taro.
そういえば。やばい、秀樹に毒されてるわ。
Now that you mention it. Yeek, Hideki's habits are rubbing off on me!