（二）keep off

该短语表示“不接近；避开”。如：

Don't walk across the lawn; keep off the grass. 不要通过草地，勿踩草地。

He decided to keep offalcohol after the accident. 发生那次事故後,他决定不再饮酒。

Don't walk across the lawn; keep off the grass. 不要通过草地，勿踩草地。

He decided to keep offalcohol after the accident. 发生那次事故後,他决定不再饮酒。

【注意】

有时也可以用keep away from来表达。如：

Keep away fromthat house. They have scarlet fever. 不要接近那一家，他们在患猩红热。

Nobody can entirely keep away fromthis competitive world. 没有人能够完全远离这个竞争社会。

Keep away fromthat house. They have scarlet fever. 不要接近那一家，他们在患猩红热。

Nobody can entirely keep away fromthis competitive world. 没有人能够完全远离这个竞争社会。

（三）keep up

该短语表示“保持；继续；跟上”。当表示“跟上”时，常后接介词with。如：

He can keep upuntil ten o'clock tonight. 今天晚上他能坚持到10点钟不睡。

I hope the fine weather will keep up. 我希望好天气继续下去。

I think it important that we keep up withthe times. 我认为跟上时代是很重要的。

He can keep upuntil ten o'clock tonight. 今天晚上他能坚持到10点钟不睡。

I hope the fine weather will keep up. 我希望好天气继续下去。

I think it important that we keep up withthe times. 我认为跟上时代是很重要的。

（四）keep out

该短语表示“不许入内；挡在外面”。当后接介词of时，表示“躲开；置身...之外”。如：

We have screens on our windows to keep outthe flies. 我们窗户上有纱窗以挡苍蝇。

The rubber seal is designed to keep outall the moisture. 橡胶的密封垫是用以隔绝湿气的。

America must keep out ofthis war. 美国应该置身战争之外。

We have screens on our windows to keep outthe flies. 我们窗户上有纱窗以挡苍蝇。

The rubber seal is designed to keep outall the moisture. 橡胶的密封垫是用以隔绝湿气的。

America must keep out ofthis war. 美国应该置身战争之外。

（五）keep in

该短语表示“抑制；闭门不出”。如：

She could scarcely keep inher indignation. 她愤怒得难以自持。

She was kept infor an hour for talking in class. 她因上课说话被罚留校一小时。

She could scarcely keep inher indignation. 她愤怒得难以自持。

She was kept infor an hour for talking in class. 她因上课说话被罚留校一小时。

（六）keep from

该短语表示“阻止；妨碍”。如：

I hope you will keep fromdoing anything rash. 我希望你不要做出任何鲁莽的事情来。

Meat is kept fromfalling away in cold storage. 肉放在冷藏库里以防腐烂。

I hope you will keep fromdoing anything rash. 我希望你不要做出任何鲁莽的事情来。

Meat is kept fromfalling away in cold storage. 肉放在冷藏库里以防腐烂。

（七）keep to

该短语表示“坚持；遵守”。如：

Keep to it. Don't stop till the job is finished. 坚持下去，一直到干完为止。

They keep tothe custom of having their marriages only in May. 他们固守传统，只在五月举行婚礼。

Keep to it. Don't stop till the job is finished. 坚持下去，一直到干完为止。

They keep tothe custom of having their marriages only in May. 他们固守传统，只在五月举行婚礼。

（八）keep back

该短语表示“隐瞒；阻止；保留”。如：

She tried to keep backher tears. 她试图抑制住眼泪。

Barricades were erected to keep backthe crowds. 设置了障碍以隔开人群。

We must keep backa reserve of food. 我们必须贮存一些食品。

She tried to keep backher tears. 她试图抑制住眼泪。

Barricades were erected to keep backthe crowds. 设置了障碍以隔开人群。

We must keep backa reserve of food. 我们必须贮存一些食品。

（九）keep down

该短语表示“蹲下；抑制”。注意当表示“逃脱”时，常用作：get away with。如：

Keep down! You mustn't let anybody see you. 蹲下! 一定不要让人看见你。

I couldn't keep downmy anger at that time. 当时我捺不住心头的怒火。

Keep down! You mustn't let anybody see you. 蹲下! 一定不要让人看见你。

I couldn't keep downmy anger at that time. 当时我捺不住心头的怒火。

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