keep sth.

保存, 保留, 保持, 保守

• Could you keep these letters for me, please? 你能替我保存这些信吗？
• I'll keep a seat for you. 我给你留个座位。
• It can help to keep vegetables, fruit and meat for a long time in hot summer. 在炎热的夏天，它有助于蔬菜、水果和肉类长时间保鲜。

照顾, 养活

• She kept her sister for a week while her sister was ill. 她妹妹有病时，她照看她了一个星期。
• I have a family to keep. 我得养活一家人。

留下, 不必还

• You can keep the pen if you like it. 你要是喜欢就把钢笔留下吧。
• Keep the change. 不用找零钱了。

遵守, 维护

• Everyone must keep the rules. 人人必须遵守规章制度。
• The teacher is keeping order in class. 老师正在课堂上维持秩序。

售, 卖

• The shop keeps everything you need. 那家商店里出售的东西应有尽有。
• He keeps everything you will drink. 他出售你想喝的各种饮料。

记(日记、帐等)

• She keeps a diary every day. 她坚持每天记日记。
• He keeps exact accounts of the money he spends and a diary of the events of his holidays. 他详细地记载他所花的钱数和假期中所发生的事情。

keep sth + 宾语补足语

表示使...保持某种状态(或位置、动作等)。

其中宾语补足语通常由形容词、副词、介词短语、现在分词和过去分词等充当。

• We should keep our classroom clean and tidy. 我们应保持教室整洁干净。
• You'd better keep the child away from the fire. 你最好让孩子离火远一点。
• The bad weather keeps us inside the house. 坏天气使我们不能出门。

keep + 表语

keep用作连系动词，后接表语构成系表结构，意为保持, 继续(处于某种状态)。其中表语可用形容词、副词、介词短语等充当。

• You must look after yourself and keep healthy. 你必须照顾好自己，保持身体健康。
• Keep off the grass. 请勿践踏草地。
• Traffic in Britain keeps to the left. 英国的交通是靠左边行驶的。

含 keep 的短语动词

keep doing sth.

意为继续干某事，表示不间断地持续干某事，keep后不能接不定式，也不能接瞬时动词的ing形式，而必须接延续性动词。

• He kept working all day, because he wanted to finish the work on time. 他整天都在不停地工作，因为他想准时完成工作。
• Keep passing the ball to each other, and you'll be ok. 坚持互相传球，你们就行。

keep on doing sth.

意为持续做某事。

• The pupil kept on asking me the same question. 这个学生不断地问我同一个问题。
• I kept on thinking about the match in the afternoon. 我总是想起下午的那场比赛。

keep...from doing sth.

意为阻止/防止...做某事。

• The heavy snow kept us from going out. 大雪使我们不能出去。

keep away

意为(使)离开, (使)不接近，其后常接介词from。

• Would you keep your dog away from my boy, please? 请把狗拉得离我孩子远点好吗？
• Keep everybody away from the accident. 人人远离事故！

keep back

意为阻止, 留在后面。

• She sat down quietly, but she couldn't keep back her tears. 她静静地坐下来，却忍不住流下了眼泪。

keep together

意为在一起, 动作协调。

• Keep together, please. 请聚在一起。
• The eight men kept together during the boat race as though they were one. 赛船时，这8个人动作协调，好像一个人似的。

keep up

意为持续, 使不低落。

• The noise kept up all night. 噪音整夜持续着。
• To keep your strength up, eat well and get enough sleep. 为了保持力气，要吃好、睡足。

keep up with

意为跟上, 和...来往。

• I'm trying my best to keep up with the others in class. 我正在设法赶上班里的其他人。
• Do you still keep up with tom? 你和汤姆还有联系吗？

keep...in mind

意为把...记在心里。

• The teacher asked us to keep these sentences in mind. 老师要我们把这些句子记在心里。

keep、reserve、retain、withhold都含保持; 保存的意思。

keep