movement that is quiet and careful in order not to be seen or heard

She moved across the field with the stealth of a cat on the prowl.

These thieves operate with terrifying stealth - they can easily steal from the pockets of unsuspecting travellers. 这些窃贼偷起东西来神不知鬼不觉——他们轻而易举就能从毫无戒备的游客口袋中偷走东西。