It's universally agreed that Russian is one of the hardest languages to learn if you're not native, leading to Task Force 141 recruiting someone who could understand it: You.

141 tracked down Makarov, and they finally caught him for interrogation. Makarov was only responding in Russian, which led to Price sending you to interrogate him.

"Я не собираюсь ни в чем признаваться, так что можете не тратить свое время. Уходите." Makarov spoke, his face indifferent.