常事的英文：
commonplace
daily occurrences
ordinary

参考例句：

A student failing to keep up with his teacher is not an unusual event.
学生跟不上老师教课的节奏本是常事。

It is common for Angelenos to spend two hours commuting to work and school every day.
对于洛杉矶人来说，每天在上班或上学的路上花两个小时已是常事。

commonplace是什么意思：
n. 司空见惯的事；老生常谈
adj. 平凡的，陈腐的

Jet travel is now a commonplace.
乘喷气式飞机旅行现在是寻常的事。

It's a mere commonplace thing.
那是件极平常的事。

Earthquakes will have become almost commonplace by this time.
地震在这时候已经变成司空见惯的事。

daily是什么意思：
adj. 每日的；日常的；一日的；每个工作日的
adv. 日常地；每日；天天
n. 日报；（不寄宿的）女佣

daily prints;rushes;dailies
工作样片

As a result daily output has doubled.
结果日产量翻了一番。

This is a daily taking's report.
这是一份每日收入报告表。

occurrences是什么意思：
n. 发生，出现；遭遇，事件

The occurrence of such things is by no means fortuitous.
出现这种问题绝不是偶然的。

The occurrence of such things is by no means fortuitous
出现这种问题绝不是偶然的。

In data base terminology, a single instance, for example, a set occurrence, a record occurrence.
在数据库术语中，一个单一实例，例如，一组具体值，一个记录的具体值。