armed to the teeth

formidably armed

武裝到牙齒，全副武裝

fight tooth and nail

fight very fiercely

兇猛地打斗

get (或 sink) one's teeth into

work energetically and productively on (a task)

積極而富成效地工作；專注于

the course gives students something to get their teeth into.

這門課程能給學生一些值得深究的東西。

in the teeth of

directly against (the wind)

逆（風）

set someone's teeth on edge

get (one's) teeth into 或 sink (one's) teeth into &I{【俚語】}

To be actively involved in; get a firm grasp of.

積極地參與其中；牢牢地抓住

show (one's) teeth 或 bare (one's) teeth

To express a readiness to fight; threaten defiantly.

示威：表現準備戰斗；兇狠地進行威脅

to the teeth

Lacking nothing; completely

全副地：不缺少任何東西的；全部地

armed to the teeth; dressed to the teeth.

武裝到牙齒；全副打扮