every two or three days; almost every day; every other day or so
Example Sentences:
1.
“ we live out of suitcases , and we serve hundreds of meals each day 我们三天两头旅行，每天要供应几百份饭。
2.
As mentioned , poorer diabetes control and more frequent er visits were both associated with depressed mood 正如文章开头所说的，对病情缺乏控制且三天两头出入急救室都会引发抑郁情绪。
3.
That law trial was a slow business - appeared like they warn t ever going to get started on it ; so every now and then i d borrow two or three dollars off of the judge for him , to keep from getting a cowhiding 法律诉讼是件慢吞吞的事，仿佛永远也不存心开审。这样，为了免得挨鞭子，三天两头，我得为了他向法官借两三块钱。
