to keep down
[phrase form: keep]
01
保持低水平, 抑制
to maintain something at a low level and prevent it from increasing
例子
The company has worked to keep down production costs to remain competitive.
公司一直致力于控制生产成本以保持竞争力。
Regular exercise can help keep down cholesterol levels.
定期锻炼有助于保持胆固醇水平低。
02
保留, 不吐出来
to retain food or liquids in the stomach without throwing them up
例子
She's had some water, but she ca n't keep any food down.
她喝了一些水，但她无法 保留 任何食物。
After experiencing severe nausea, he struggled to keep down his breakfast.
在经历了严重的恶心之后，他努力忍住早餐。
03
压制, 使沉默
to restrict someone or a group from freely expressing themselves or asserting their opinions and rights
例子
The authoritarian regime has attempted to keep down any opposition or dissent.
威权主义政权试图压制任何反对或异议。
Some societies have a history of trying to keep down certain minority groups.
一些社会有试图压制某些少数群体的历史。
04
降低, 减小音量
to control or lower the volume or intensity of something to prevent it from becoming too loud
例子
Please keep the music down; the neighbors are trying to sleep.
请调低音乐音量；邻居们正在睡觉。
We need to keep the noise down in the library to maintain a quiet atmosphere.
我们需要在图书馆控制噪音以保持安静的氛围。
05
蹲下, 隐藏
to lower or hide one's body to avoid being noticed
例子
The soldiers had to keep down to avoid being spotted by the enemy.
士兵们不得不趴下以避免被敌人发现。
When playing hide-and-seek, the children tried to keep down in the tall grass.
玩捉迷藏时，孩子们试图在高高的草丛中蹲下。
