formidably armed
武装到牙齿，全副武装
fight very fiercely
凶猛地打斗
work energetically and productively on (a task)
积极而富成效地工作；专注于
the course gives students something to get their teeth into.
这门课程能给学生一些值得深究的东西。
directly against (the wind)
逆（风）
To be actively involved in; get a firm grasp of.
积极地参与其中；牢牢地抓住
To express a readiness to fight; threaten defiantly.
示威：表现准备战斗；凶狠地进行威胁
Lacking nothing; completely
全副地：不缺少任何东西的；全部地
armed to the teeth; dressed to the teeth.
武装到牙齿；全副打扮