1·Whether his giddy ascent will last has been hard to say, in part because his opponents had not had a chance to assail him directly until this week's debate, the first Mr Perry has participated in.
Perry令人瞠目的上升势头是否会持续依然是给未知数，这部分由于知道这周的辩论，他还没有参加任何一次，以至于他的对手们还没有机会攻击他。
2·To assail or attack on all sides: the lioness … beset by men and hounds. pope.
到处攻击……；这头雌狮子到处受到猎人和猎犬的袭击。
3·The reactive ability of free radical is so strong that it can assail to lipid, protein of biomembrane and tissue.
由于其电子是不成对的，所以自由基的反应能力特别强，可以攻击生物膜和组织的脂质、蛋白质。
4·To assail with stinging criticism; excoriate.
痛责：以尖刻的批评攻击；严厉地批评。