| 短语 | keep sb / sth ↔ down |
| 释义 | keep sb / sth ↔ down 1. to prevent the size, cost, or quantity of something from increasing or being too great控制（限制）…增长:•We need to keep costs down.我们需要控制住成本。2. to succeed in keeping food in your stomach, instead of bringing it up again out of your mouth, when you are ill使…不吐出，使…不呕吐:•I could hardly keep anything down for about three days.大概有三天时间，我几乎是吃什么吐什么。3. used to ask someone to make less noise使…安静点，使…轻声点:•Keep your voice down – she'll hear you!小点声，她会听到的！•Can you keep it down – I'm trying to work.你能不能轻一点，我要工作。4. to prevent a group of people from becoming as successful and powerful as the other people in a society压制，控制:•Plantation owners kept slaves down by refusing them an education.种植园主不让奴隶受教育，以此来控制他们。 |
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