Nefarious (adjective) بدکردار، بد ذات، بے ایمان، بدمعاش

(typically of an action or activity) wicked or criminal.
Example: “the nefarious activities of the organized-crime syndicates”
Bothersome (adjective) تنگ کرنے والا، تکلیف دہ، پریشان کن

annoying; troublesome.
Example: “most childhood stomach aches, though bothersome, aren’t serious”