Idioms like this one usually have a historical or anecdotal origin, in this case linked to old stories of soldiers expecting to capture an easy prisoner and instead seizing a fierce Tartar warrior who overpowered them. Keeping that origin in mind while checking the options:
Tracing the idiom back to its origin confirms which option preserves its full figurative sense.
Therefore, the correct answer is To deal with a person who is more than one's match.
Poetic Devices: Identify the poetic device used in the following line: "The wind whispered through the trees."