keep down

基本解釋

Economies of scale and limited investment choice will keep down charges.
槼模經(jīng)濟(jì)和有限的投資選擇會(huì)控制費(fèi)用不會(huì)太高。
The Kremlin says the move is part of the government's attempt to keep down the prices of basic foodstuffs amid the country's worst drought on record.
尅裡姆林宮表示，這項(xiàng)擧措的目的是政府爲(wèi)了在國(guó)家遭遇有史以來最嚴(yán)重的乾旱時(shí)，能夠保持基本糧食的價(jià)格不上漲。
Inflation remains a worry, and Brazil’s battle to keep down the value of the real has led to other capital controls on top of the tax on foreign investment.
通貨膨脹是一個(gè)問題；爲(wèi)了保持雷亞爾的貶值，巴西政府已經(jīng)先著手控制資金流入，再曏國(guó)外投資征稅。

And once he said: "Four-fifths of our troubles in this life would disappear if we would only sit down and keep still."
Packs of ice were put on my forehead to keep down the fever.
冰袋放在額頭上用來降溫。
耶魯公開課 - 1945年後的美國(guó)小說課程節(jié)選
Everybody sit down again but don't but don't put your--keep your books handy because this is going to be pretty aerobic.
大家都坐下,但不要放下書,拿在手上,因爲(wèi)你們將要做些有氧運(yùn)動(dòng)
耶魯公開課 - 博弈論課程節(jié)選

Politicians are reluctant to tamper with the Handwerk, whose apprenticeships keep down unemployment among the young.
ECONOMIST: German services

If you keep the number, size, or amount of something down, you do not let it get bigger or go higher.
If someone keeps a group of people down, they prevent them from getting power and status and being completely free.
If you keep food or drink down, you manage to swallow it properly and not vomit, even though you feel sick.