As much as you'd like to shut her up, fighting Meiling would only resort in shortening your life span faster than your old employer would. She's a DRAGON youkai. Dragons are probably the most powerful beasts of mythical folklore. Second only to angels and killer robots. Youre not a dragon slayer, so dont bother.
Besides, even if you could take Meiling, youre pretty sure Remilia wont appreciate the new guy hurting her loyal long-employed gate guard.

Meiling still continued glaring at you, still assuming her martial stance, probably waiting for you to make the first move.
"C'mon, human! What are you waiting for?!" she demanded.

You stared at her for a few seconds, then turned away. Meiling raised her eyebrow, not expecting such a reaction from you.

"No," you simply said, "I'm not fighting you."

"What?!" Meiling didnt expect you to refuse? She honestly thought you were dumb enough to challenge a dragon?!

"I said I'm not fighting my co-worker," you answered.

Ms. Hong gritted her teeth, "Tsk! 'Co-worker'? Youre are not my co-worker. Youre not in the same league as me. You dont even rank higher than my foot-stool! Now FIGHT! I order you!"

"I said no," you calmly replied despite Meiling spitting in your face when she shouts. You even crossed your arms and lied against the wall, tuning her out.
Meiling was not liking your answer. Perhaps she was craving to give you a beating to vent her anger and youre denying her such an opportunity. It was worse than insulting her proud native heritage of leaving toddlers to die in the middle of a street just to avoid being late for work.
She was practically shaking and sweating as she stared at you angrily.

"You... you... you spineless, boneless, gutless, dickless... guǐlǎo gǒurìde!!" she spouted her final insult in Chinese. I think she called you some sort of a pale-skinned dog fucker. For some reason, it sounded more insulting coming from another language! "get your scrawny ass over here and show me why you think you deserve being a gate instead of Flandre food!"

Despite the numerous insults she's giving you, you spouted the four simple words that left a big scar in Meiling's pride:
"Youre not worth it."

Her eyes widened from such a sentence and she began to twitch, no doubt past the 'offended' barrier! Her face was getting red and her veins were ready to pop! She's gonna blow!

The last thing that cause your vision was Meiling's foot coming toward your face before POW!!
You went straight smack to the ground! It hit a lot harder than you imagined it would! Aside from the agonizing pain left in your jaw (almost to the point of breaking!) the blow left you clinging to consciousness! Everything was getting dark. You couldnt believe it. You actually started to think you were gonna die!

"Wha?!" Meiling's ragefest suddenly got put to a halt and was replaced with absolute shock! "Oh crap! R-Roc? Are you alright? Get up!"
You wanted to get up, but you didnt have the strength or the consciousness. You were fading fast!
Your co-worker began to panic, "W-wait! I'm sorry! I didnt mean to do kick you so hard! I was just.... oh, this is bad!" she shivered and sweat in her panic, "...oh man oh man oh man! Remilia's gonna kill me! Eesh... blood's already coming out of his mouth!" It is?! "Damnit! Why do I always underestimate my own strength?!"

You can barely make out your reckless co-worker looking all around for witnesses. It's just a shame it took until NOW to finally see a softer side of Bitch Fu!

"Ok ok, dont panic," you hear her whisper to herself, "nobody saw anything. He'll probably the forget the whole thing later."
'The hell, I will,' you wanted to say, but you couldnt move your jaw.
"Alright... remember what youre taught," she continues to whisper, before leaning back down at you, "ok, uh... if you can hear me, dont worry, Roc. Youre gonna be just fine." You could barely muster the strength to groan, let alone speak.

"Urrg.....Ugghh!" before you knew it, Meiling picked your body up in her arms and began to carry you off! Unfortunately, she wasnt carrying you back to the mansion. She was taking you even deeper into the woods!
'WHERE ARE YOU TAKING ME?!' you wanted to shout, 'PUT ME DOWN!!' No good.

"T...Trust me! Youre gonna be just fine!" she assures you, "I know EXACTLY what to do!"