in-and-out

I don’t know all the ins and outs of the case.

我不知道这个案子是非曲折。

She keeps popping in and out.

她不停地走进走出。

She's always popping in and out.

她总是进进出出。

It would take me too long to explain all the ins and outs of the problem.

我可没有那么多时间把问题详情都解释清楚。

Wu Sun-fu muttered to himself and took a sip at his glass. He was still staring dazedly at the blurred shapes passing in and out of the bar .

吴荪语地拿起酒杯喝了一口，眼仍旧迷惘地望着酒吧间里憧憧人影。

Lying as it does in the deep waters of the Western Pacific, Japan winds in and out like a snake from southwest to northeast, a distance of more than two thousand miles.

日本这个国家位于西太平洋深水地带, 像蛇一样弯弯曲曲地西南向东北延伸, 全长两千多英里。

If it is too slopy it is more tiring to mow the lawn.And just have to remember that your car might skid when you go in and out of the garage when snow.

对哦,前面草坪清理问题我还没考虑到.倒车出问题真是有,我去试了一下,正常天气里,都很难受,感觉象要倒滑下去似.