set up:建立,創(chuàng)立
A new government was set up after the war.
新政府于戰(zhàn)后成立.
set down:記下
I have set down all the things that happened.
我已將發(fā)生的所有事記了下來(lái).
set out:出發(fā),開(kāi)始.（后加不定式,即set out to do sth）
He set out to paint the whole house but finished only the front part.
他開(kāi)始著手粉刷整幢房子,可是只完成了前面的部分.
set about:開(kāi)始,著手.與set out意思相近（但后加 ing形式,即set about doing sth.）
He set about learning Chinese at age ten.
他在十歲時(shí)開(kāi)始學(xué)中文.