as thick as thieves (アズ シック アズ シーブズ)

Idiom Friendship

意味

To be very close friends who share secrets.

とても仲の良い友達で、秘密を共有すること。 (totemo naka no yoi tomodachi de himitsu o kyo yu suru koto)

例文

"Lisa and Nora are as thick as thieves since childhood."

"リサとノラは子供の頃からとても仲の良い友達です。" (risa to nora wa kodomo no koro kara totemo naka no yoi tomodachi desu)