But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子,在你做出决定之前请一定要认真考虑我的话。
Many people find this sort of joke distasteful The following example of 'sick humour' will enable you to judge for yourself.
许多人认为这种笑话是低级庸俗的。下面是个“病态幽默”的实例,你可据此自己作出判断。