vt.
攻击，袭击，冲击：
to assail bitterly an enemy fort
猛攻敌人要塞
(用言词等)攻击，抨击；非难；质问；责骂：
to assail one's opponent with slander
诋毁对手
The students assailed the speaker with questions.
学生反复质问讲演者。
毅然着手去完成(任务)，着手解决；毅然对付(或应付)：
She assailed her studies with new determination