in and out

The chill wind whipped in and out in gusty breaths.

一阵阵寒风像鞭子一样抽打着行人.

They use a swipe card to go in and out of their offices.

他们出入办公室要刷卡。

Slang often goes in and out of fashion quickly.

俚语往往很快风行起来又很快不再风行了.

The boy chased his sister in and out among the bushes.

那个男孩在灌木丛里跟着他姐姐追过来追过去.

She slipped in and out of the theatre by a side door.

她从剧院的侧门溜进溜出。

She's like a butterfly. She flits in and out of people's lives.

她像一只蝴蝶，每天在人前人后飞来飞去。

Men in big construction boots were clumping in and out with plans in their hands.

一群男人穿着大建筑靴，手中拿着图纸，噔噔噔地走进走出。

We have to breathe in and out so many times a minute.

我们每分钟都得呼吸那么多次.

Her back was aching from having to get down in order to put things in and out of the bottom drawer.

由于必须弯下腰来从最下面的抽屉中把东西拿进拿出,她腰酸背痛了.

The heart has valves to let blood flow in and out of it.

心脏有瓣膜控制血液流进流出.

The path twists in and out among the rocks.

小径迂回于乱石之间.

She keeps popping in and out.

她不停地走进走出.

Pigeons fluttered in and out, cooing gently.

鸽子们低声咕咕地叫着，扑扇着翅膀飞进飞出。

The cars then weaved in and out of traffic at top speed.

这些轿车就在车流中全速穿行。

Trains are thundering in and out all the time at a subway station.

地铁车站上列车进进出出,整天轰隆轰隆地响个不停.