forestall

vt.
1. anticipate,prevent 抢先，阻止。
△Ham.3.3. 48:“And what’s in prayer but this twofold force,/ To beforestalled ere we come to fall,/Or pardoned beingdown?”i.e.to be prevented from falling into tempta-tion,or forgiven if we have fallen (into temptation)祷告不过有这两重作用，或者预先防止我们堕落，或者失足后得到赦宥，此外还有什么意义？
△Ham.5.2.230 (217): “I willforestall their repair hither，”我可以先去阻止他们别来。
△L.L.L.5.2.473 (472): “and might not you / Fore-stall our sport,to make us thus untrue?”会不会就是你抵制了我们的把戏，使我们言而无信？
2. prevent by in terruption 打断。
△2H.IV.4.5.137(138): “But for my tears,/ The moist impedimentsunto my speech,/ I had forestalled this dear and deeprebuke / Ere you with grief had spoke，”如果不是我的泪水阻挡住我无法开口，我决不会一直听你悲痛地讲到这里，早就把你这番严厉而痛切的斥责打断了。

forestall[fɔ:ˈstɔ:l]

v. 先发制人，预防，阻止，垄断
‖ forestall the enemy 先发制人
forestall trouble 防止事故