vt.
(用先发制人的方法)预防，阻止：
They forestalled any attempt to steal the jewels by having them moved to a safer place.
他们把珠宝转移到了一个较为安全的地方，阻止了任何偷窃珠宝的企图。
在…之前行动，比…先采取行动，先发制人，抢先一步；超过，超越，胜过：
By settling the deal by telephone, Mr. Field had forestalled all his competito