404. That’s an error.

The requested URL /translate_c?hl=pt-BR&ie=UTF-8&sl=en&tl=pt&u=http://ocw.mit.edu/courses/&prev=_t&rurl=translate.google.com.br&twu=1&usg=ALkJrhitMCwRmdMG2hjxuXo3Idu9KYid_A was not found on this server. That’s all we know.