原谅我像刺猬一样刀枪不入
[yuán liàng wŏ xiàng cì wèi yī yàng dāo qiāng bù rù]
This name suggests a self-protective and tough attitude. 'Forgive me for being as impenetrable as a hedgehog,' implies the person is prickly to keep others at bay, like a hedgehog's spines protecting it.