search me
US /sɜrtʃ mi/
UK /sɜrtʃ mi/

1.
さあ、知らない, 私に聞かれても
used to say that you do not know the answer to a question
:
•
“Where did he go?” “Search me.”
「彼はどこへ行ったの?」「さあ、知らない。」
•
“Why did she do that?” “You got me, search me.”
「なぜ彼女はそんなことをしたの?」「さあ、知らない。」