It is undeniable that attitudes towards marriage have been changing.毋庸置疑，人们对婚姻的态度一直在变化。Many people have an irresponsible attitude towards marriage.许多人对婚姻抱有不负责任的态度。Many people have an irresponsible attitude towards marriage and relationships.很多人对婚姻与两性关系持一种不负责任的态度。She has an irreverent attitude towards marriage.她对婚姻有一种不当回事的态度。