1. I am writing to inform you that I will be unable to attend work/class on [date], as I am feeling unwell. 我写信通知您，由于身体不适，我将无法在[date]去上班/上课。
请假条英文2. Due to a family emergency, I need to take a leave of absence from [date] to [date]. 由于家庭紧急情况，我需要请假离开[date]至[date]。
3. I regret to inform you that I will not be able to come to work/class tomorrow as I have an important appointment that cannot be rescheduled. 很遗憾地告诉您，由于有一项无法改期的重要约会，我明天无法上班/上课。
4. I would like to request a day off on [date] as I have a personal commitment that requires my attention. 我想申请在[date]请一天假，因为我有个个人的事情需要处理。
5. I am writing to request a two-day leave of absence from [date] to [date] for medical reasons. 我写信申请由于医疗原因请假两天，从[date]到[date]。
6. Due to unforeseen circumstances, I need to take an indefinite leave of absence starting from [date]. 由于不可预见的情况，我需要从[date]开始请一个不确定期限的假期。
7. I would like to request a half-day leave on [date] as I have a personal appointment in the afternoon. 我想申请在[date]请半天假，因为我下午有个个人约会。
8. I am writing to inform you that I will be taking maternity leave starting from [date] for approximately [number of weeks/months]. 我写信通知您，我将从[date]开始休产假，估计为期[几周/几个月]。
9. I would like to request a two-week leave of absence for personal reasons starting from [date]. 我想申请因个人原因从[date]开始请两周的假期。
10. I am kindly requesting a leave of absence from [date] to [date] as I will be traveling out of the country. 我恳请从[date]至[date]请一个假期，因为我将出国旅行。