Michael kept up a brave front both to the world and in his home.

迈克尔在家外家内都保持着一副勇敢的样子。

She kept up a continuous chatter, skipping from one subject to the next.

她叽叽咕咕地说个不停，从一个话题跳到另一个话题。

The rain kept up all afternoon.

雨下了整整一个下午。

We kept up a correspondence for many years.

我们保持了很多年的通信联系。

Archie liked to think he kept up with current slang.

阿奇乐于自认为能跟得上时新俚语。

Brian kept up the idle chatter for another five minutes.

布赖恩又无聊地闲扯了5分钟。

He kept up a running commentary on everyone who came in or went out.

他不断地对上下场的每一名队员进行解说。

She still kept up with her classmates after graduation.

她毕业后仍然和她的同学们保持联系。

She kept up with her sisters and brothers at the gym and the swimming pool.

她在体育馆和游泳池和她的兄弟姐妹们保持联系。

She has kept up physical training for several years without interruption.

她坚持锻炼，多年来从未间断。

He turned off as she kept up her yatter.

当她喋喋不休时，他转身离开了。

Prices have kept up the whole year.

全年物价都很高。

He turned off as she kept up her chatter.

她喋喋不休时，他没有去听。

You have kept up the pressure for change.

你们继续为变革施加压力。

I had also kept up with my teaching schedule.

我还一直坚持按照教学计划讲课。

It is important that comments be kept up-to-date.

及时地更新注释也很重要。

Not only had they not kept up, they’d fallen behind.

他们不仅没有迎头赶上，反而是掉队了。

Not only had they not kept up, they'd fallen behind.

他们不仅没有迎头赶上，反而是掉队了。

Supplies have not kept up with this potential demand.

供应并没有跟上潜在需求的步伐。

Furthermore, laboratory analysis has kept up with The Times.

另一方面实验室的分析技术也紧跟时代。