学刺猬懂得保护自己
[xué cì wèi dŏng dé băo hù zì jĭ]
Translating to 'Learning from the hedgehog to know self-protection', this suggests a strategy of defense based on wisdom or learned experiences. It means someone is cautious, learning from life lessons how to defend oneself emotionally or physically, just like the hedgehog does naturally.