irregular

不定时的、不规律的、时间不固定的

He keeps irregular hours and often works through the night.

他作息不固定，经常熬夜工作。

不规则的、不平整的、不整齐的

The stones were laid in an irregular pattern along the path.

这些石头沿著小径以不规则的方式排列。

不规律的、不稳定的医学

The doctor said her heartbeat was slightly irregular.

医生说她的心跳有点不规律。

不合规定的、违规的、不合程序的正式

The auditors found several irregular payments in the accounts.

稽核人员在帐目中发现数笔不合规定的款项。

不规则的语言学

English has many irregular verbs that students must memorize.

英文有许多不规则动词，学生必须背下来。

非正规的军事

Irregular forces controlled much of the countryside.

非正规部队控制了大部分的乡间地区。

瑕疵品、次级品常用复数

The store sells irregulars at half the usual price.

这家店以半价出售瑕疵品。

非正规军、游击队员常用复数

A band of irregulars ambushed the convoy at dawn.

一支非正规军在黎明时伏击了车队。