你刀枪不入的坚强给狗看吗
[nĭ dāo qiāng bù rù de jiān qiáng jĭ gŏu kàn ma]
The net name conveys sarcasm, suggesting that the person's toughness or seemingly impenetrable demeanor is just for show, as if putting on an act 'for dogs' which symbolizes those who are unworthy of respect.