1. 打倒,挫伤;降低：bring about 带来,造成 | bring down 打倒,挫伤;降低 | bring forth 产生,提出
2. 降低：bring back归还 | bring down降低 | bring forth提出
3. 打倒：bring down the persimmon 得奖 | bring down 打倒 | bring fame to 带来名声
4. 使落下,打倒;降低,减少：bring about 导致,引起 | bring down 使落下,打倒;降低,减少 | bring forth 产生,提出
1. 使（政府或当权者）垮台
When people or events bring down a government or ruler, they cause the government or ruler to lose power.
e.g. They were threatening to bring down the government by withdrawing from the ruling coalition...
他们威胁要退出执政联盟，让政府垮台。
e.g. His challenge to Mrs Thatcher brought her down.
他的挑战导致了撒切尔夫人的下台。
2. 射落；击落；击倒
If someone or something brings down a person or aeroplane, they cause them to fall, usually by shooting them.
bring down
e.g. Military historians may never know what brought down the jet.
军事史学家们可能永远也不会知道是什么击落了这架喷气式飞机。
verb
1. cut down on
make a reduction in
e.g. reduce your daily fat intake
The employer wants to cut back health benefits
Synonym: reducecut downcut backtrimtrim downtrim backcut
2. impose something unpleasant
e.g. The principal visited his rage on the students
3. cause to be enthusiastic
e.g. Her playing brought down the house
4. move something or somebody to a lower position
e.g. take down the vase from the shelf
Synonym: lowertake downlet downget down
5. cause to come to the ground
e.g. the pilot managed to land the airplane safely
6. cause the downfall of
of rulers
e.g. The Czar was overthrown
subvert the ruling class