Packs of ice were put on my forehead to keep down the fever.
几包冰袋放在我的额头上以退烧。
If the enemy opened fire, keep down.
如果敌人开火，就卧倒。
Even iron could not keep down the force of bubbling life itself.
那勃勃的生机，是钢铁也压不住的。
I am trying to keep down expenses.
我在努力控制支出。
Great trees keep down little ones.
大树底下，小树难长。
They tried to keep down expenses.
他们设法减少开支。
The company tries to keep down the cost.
这个公司试图控制成本。
They couldn't keep down their excitement.
他们抑制不住自己的激动情绪。
I couldn't keep down my anger at that time.
当时我捺不住心头的怒火。
We must try to keep down expenses this year.
我们要设法削减本年度的开支。
They tried to keep down non-productive expenses.
他们设法缩减非生产性开支。
We don't need such expensive car. We must keep down expenses.
我们不需要那么贵的车，我们必须降低开支。
You should seek medical help when you cannot keep down liquids.
当你无法正常摄取流体食物时，你就应该去看医生了。
They are trying their best to keep down the noise of the heating system.
他们正尽力降低暖气系统的噪音。
Keep down! You mustn't let anyone see you.
蹲下！一定不要让人看见你。
Keep down! You mustn't let anyone see you.
蹲下！一定不要让人看见你。
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