Fetching details from the dictionary...
worldly desires; evil passions; appetites of the flesh
klesha (polluting thoughts such as greed, hatred and delusion, which result in suffering)
仏教では煩悩が苦しみの源とされる。
In Buddhism, worldly desires are regarded as the source of suffering.
煩悩を断ち切ることが悟りへの道だと教わった。
I was taught that cutting off worldly desires is the path to enlightenment.
修行僧でさえも煩悩をすべて断つのは容易ではないと言う。
Even monks in training say it is not easy to sever all worldly desires.