Definition
A day characterized by a series of unfortunate events or problems.
诸事不顺的一天
It's been one of those days; everything has gone wrong since morning.
今天真是诸事不顺，从早上开始一切都出错了。
I’ve had one of those days, hopefully tomorrow will be better.
我今天真是诸事不顺，希望明天会更好。
She was late for work and spilled her coffee today; it's just been one of those days.
她今天上班迟到还打翻了咖啡，真是诸事不顺的一天。