我刀枪不入坚强给狗看
[wŏ dāo qiāng bù rù jiān qiáng jĭ gŏu kàn]
'I put on an impenetrable, tough show just for show.' It suggests a persona or attitude projected to seem untouchable or extremely resilient in front of others. There’s sarcasm towards the pretense of being strong just for outward appearances.