我又不是淑女何必对你拘谨
[wŏ yòu bù shì shū nǚ hé bì duì nĭ jū jĭn]
Means 'I am not a lady, so why should I be polite'. Reflects confidence and nonconformity in social etiquette, expressing freedom from conventional norms of behavior, especially when dealing with people you feel no special respect toward.