Speak of the devil (and in he walks). This idiom means “talk about certain person and he appears”. A similar Spanish idiom is “”Hablando del Rey de Roma, por la ventana se asoma” (Speaking of the King of Rome, through the window he appears). In Chinese, it is 说曹操,曹操到 (“shuō Cáo Cāo, Cáo Cāo dào”), which translates as “Speak of Cao Cao and Cao Cao arrives. Cáo Cāo is the a well known historical figure of ancient China during the Three Kingdom Period (220-265CE).
- Hey, I haven’t seen Bob for a long time. Speak of the devil, here he comes.
- Hola. hace tiempo no he visto a Bob. Mira, hablando rey del Roma, aquí viene Bob ahora.
- 喂，我很久没有见过Bob. 说曹操,曹操到, 他正走过来！