Just as it's challenging to smoke while knitting, when hands are holding needles and hooks, there's less snacking and mindless eating out of boredom.
2017年12月四級真題（第三套）閱讀 Section B
The general consensus is that the best ones avoid mindless violence, and instead focus on strategy and challenge us to solve problems and achieve broad goals.
2019年12月四級真題（第二套）聽力 Section C
This kind of wait makes the waiter helpless and mindless.
2017年高考英語天津卷 閱讀理解 閱讀C 原文
We reach for them mindlessly, setting our brains on auto-pilot and relaxing into the unconscious comfort of familiar routine.