Fierce determination; relentless persistence; ferocity; doggedness

1. His acharnement in pursuing his goals was both admirable and frightening.
   他追求目標的執(zhí)著既令人欽佩又令人畏懼。
2. The prosecutor attacked the defendant with acharnement.
   檢察官以兇狠的態(tài)度攻擊被告。
3. She approached her studies with an acharnement that surprised her teachers.
   她以一種令老師驚訝的執(zhí)著態(tài)度對待學習。