姑娘请自重我劫财不劫色
[gū niáng qĭng zì zhòng wŏ jié cái bù jié sè]
Loosely translated, it means 'Lady, please behave properly; I rob people's property but not their beauty.' A humorous and somewhat ironic statement blending caution and light-hearted threat in a dated, exaggerated manner.