keep down
phr. v..phr. v.. to stop something from increasing, or to keep a noise at a low level.
phr. v.. to maintain something at a low level or to prevent an increase in size, number, or intensity; often used transitively with objects like 'prices', 'costs', or 'noise'.
Please keep the noise down while the baby is sleeping.
The government is trying to keep down inflation to help families with their monthly bills.
Despite the surge in demand for raw materials, the manufacturer managed to keep down production costs through aggressive automation.
often used with 'noise' or 'voice' in a command, or with economic terms like 'prices'.
this phrasal verb has several distinct senses; focus on the 'control/limit' sense first before introducing the physical sense of not vomiting food.
Keep down the noise!Keep the noise down!while both are grammatically possible, placing the object between the verb and particle is much more common for sounds.