How do you say "on and off" in Chinese?

duànduànxùxù

斷斷續續

on and off // off and on

Examples:

1.Yǔ duànduànxùxù xià le yì tiān.

雨斷斷續續下了一天

It rained on and off all day.

2.Wǒ zàinàlǐ duànduànxùxùdegōngzuòlewǔnián.

我在那裡斷斷續續工作了5年

I have worked there on and off for for five years.

3.Tā duànduànxùxùdewánchéngle tādeyǎnjiǎng.

她斷斷續續完成了演講

She finished her speech on and off.