1.hedge的基本意思是用树篱或类似物把某地〔物〕围起来,引申可表示“受…的束缚”“回避”等。
2.hedge通常多用作及物动词,接名词或代词作宾语; 用作不及物动词时常表示“回避”。
3.hedge可用于被动结构。

hedge against(v.+prep.)
防止,警惕 protect; guard against (sth)
▲hedge against sth
This money must be saved for the purpose of hedging against change in the exchange rate.为防备汇率的变化,这笔钱必须存起来。

hedge in(v.+adv.)
1.把…用树篱围起来 make a hedge round (a field)
▲hedge sb/sth⇔ in
He hedged a piece of land in.他用树篱围起一块土地。
◇ 常用于be ～ed结构
The garden was well hedged in.花园四周用树篱围得很好。
This town is hedged in by hills.这个镇四周环山。
2.限制,束缚 surround or limit (sth)
▲hedge sb/sth⇔in with sth
It won't do to hedge your pupils in with a thousand dos and don'ts.用无数清规戒律束缚学生是不行的。
◇ 用于be ～ed结构
They are hedged in with rules and regulations.他们受到各种条条框框的限制。

hedge off(v.+adv.)
两面下注 gamble on two sides
▲hedge off
When you have made a bad bet, it is best to hedge off.如果你赌运不佳,最好两面下注,以免损失过多。

用作不及物动词
▲S+～(+A)
Answer “yes” or “no”—don't hedge.回答“是”或“否”,不要回避问题。
No mathematician is infallible; he may make mistakes, but he must not hedge.没有一位数学家是一贯正确的; 他可能会犯错误,但他绝不会回避任何一个问题。
You're hedging again—have you or haven't you got the money?你又在闪烁其词,你到底有没有钱?
用作及物动词
▲S+～+n./pron.
They planted lilacs to hedge the yard.他们种上紫丁香把院子围住了。
The difficulties hedged all approach.这些困难无从解决。
The president hedged the question of tax relief.总统回避减税问题。
They were advising clients to hedge the imminent inflation by buying farmland.他们曾建议顾客购买农田,以免遭受迫在眉睫的通货膨胀带来的损失。

［同义词］ n. barrier, border, fence of shrubs, guard, protection
［词源］＜中古英语hegge＜古英语hecg(树篱)

The sheep got into the field through a gap in the hedge.羊群从树篱的缺口跑向田野。
Buying gold may be a hedge against inflation.购买黄金不失为防止通货膨胀的上策。