a. as mad as a(March) hare,hot-head-ed,impulsive,rash,inconsiderate像(3月)野兔一样疯狂的，冲动的，急躁的，鲁莽的，轻率的。 △1H.VI.1.2.37:“Let's leave this town,for they are hare-brainedslaves,/And hunger will enforce them to be more ea-ger.”让我们撤离这个城市吧，因为英国人都是些像野兔一样狂野的奴才，饥饿会促使他们更加凶猛的。 △1H.IV.5.2.19: “Ahare-brained Hotspur,governed by a spleen.” 一个鲁莽的飞将军，完全受急躁脾气所支配。