interjection
huh; well!; my, my; I'll be damned
An old-fashioned or dialectal interjection expressing surprise, puzzlement, or mild disbelief. Often used in storytelling or by older speakers.
はてはて、こんなところで何をしているのかね。
Well, well, what are you doing in a place like this?
はてはて、それは困ったことになったものだ。
My, my, that's turned into quite a problem.