经过很长一段时间之后那个侦探终于查清了真正的罪犯的翻译：After a long period of time the detective finally finding out the real criminals 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

After a long period of time that detectives finally find out the real criminals

After a long period of time the detective finally finding out the real criminals

After very long period of time that spy finally investigated thoroughly the genuine criminal

After a long period of time after the detective has finally been identified the real criminals

After a long period of time the detective finally finding out the real criminals