姑娘别乱拔草汉子别乱摘花
[gū niáng bié luàn bá căo hàn zi bié luàn zhāi huā]
This name means 'Girl, don't pull grass at random; man, don't pick flowers aimlessly.' In a metaphorical sense, it advises people to not engage in casual romantic pursuits or damage what's pure and natural without good reason.