萌妹子也有彪悍之刻女汉子也有柔情之时
[méng mèi zi yĕ yŏu biāo hàn zhī kè nǚ hàn zi yĕ yŏu róu qíng zhī shí]
'A Kawaii Girl Can Also Have Rugged Moments; A Tough Lady Can Also Be Gentle' indicates that everyone has dual aspects of their personality—both tender and tough sides coexist. It emphasizes complexity beyond surface-level impressions.