irregularly

adv.不规则地

不规则地；间断地

副词

1、He came irregularly to the office, often showing up late and leaving early.
他不规律地来办公室，经常迟到早退。
2、The bus service in this area runs irregularly, so it's better to check the schedule in advance.
这个地区的公交车服务不规则，所以最好提前查看时间表。