There is a new detective in town. He starts working with Dojima. Marie thinks that he gives off a bad vibe and warns Yu to stay away from him. However, Yu wants to get to know him better. Is Marie right about her hunch?
If that's the case, then you just
shouldn't do anything from the start.
إذا كان الأمر كذلك، فلا يجدر بك فعل أيّ شيء من البداية
Dann sollte man es von Anfang an lassen.
Si eso pasara, habría sido mejor 
que no hubieras hecho nada.
Si eso pasara, habría sido mejor 
que no hubieras hecho nada.
Finalement,
Nesse caso, é melhor não
fazer nada desde o início.