刀枪不入坚强给狗看么
[dāo qiāng bù rù jiān qiáng jĭ gŏu kàn me]
This username translates to 'Am I supposed to be invincible just for the sake of being tough?' It conveys sarcasm or frustration, implying that there’s no point in pretending to be indestructible or overly strong.