foolhardy

adj.

莽撞的，有勇无谋的；

1. It was foolhardy to go swimming alone.
   独自一人去游泳真是鲁莽.
2. The foolhardy Zaarin even had the audacity to strike against the Emperor himself.
   有勇无谋的扎林甚至厚脸皮到了反击帝国的地步。

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Foolproof or Foolhardy? Ethical Theory in Beginning Reporting Texts
Laparoscopic hepatectomy: fad, foolhardy or future
Relapse triggers—full moon, full wallet, or foolhardy?
Koea JB. Laparoscopic hepatectomy: fad, foolhardy or future. ANZ J Surg.77:921
Enron's Culture Fed Its Demise; Groupthink Promoted Foolhardy Risks
Laparoscopic radical prostatectomy in obese patients: feasible or foolhardy?
The new world of data linkages in clinical epidemiology: are we being brave or foolhardy?
Jared Ingersoll's Rejection of Appointment as One of the Midnight Judges of 1801: Foolhardy or Farsighted