n.[U]

1. 秘密行动；鬼鬼祟祟
   They achieved their original dominance by stealth.

   他们原先的优势是暗中取得的。

2. 【古】偷窃

n.

1. cautious and surreptitious action or movement.
2. [as modifier] (chiefly of aircraft) designed in accordance with technology which makes detection by radar or sonar difficult:
   a stealth bomber.