N-PLURAL
困難;艱苦;嚴苛;嚴峻
If you refer to the rigours of an activity or job, you mean the difficult, demanding, or unpleasant things that are associated with it.
例句
He found the rigours of the tour too demanding.
他發現這次旅行非常艱苦。
...the rigours of childbirth.
分娩的艱辛