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1·Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age, a study published on Wednesday in the journal Neurology suggests.

周三发表在《神经病学》杂志上的一项研究表明，需要大量分析思维、计划和其他管理技能的挑战性工作可能有助于你年纪渐长时保持大脑敏锐。

2·Taking time off helps you stay sharp.

留出一点时间能让你保持敏锐。

3·Captain Price: Stay sharp.

普莱斯队长：保持警惕。

4·Even puzzle-based video games can help you stay sharp.

puzzle - based视频游戏可以让你头脑更加敏捷。

5·The brain is like a muscle and needs to be exercised to stay sharp.

大脑就像肌肉一样时时需要锻炼才能保持锋利。

6·If you want to stay sharp while you study, stay away from junk food.

尽可能地远离垃圾食品，才能保持高效的学习状态。

7·Older folks who are readers stay sharp while those who watch TV melt into the couch.

当那些躺在沙发上看电视的老人们给读者留下了鲜明的印象。

8·You exercise your body to stay strong, and you should exercise your mind to stay sharp.

你锻练你的身体以保持健康，所以你应该经常使用你的大脑以保持敏锐。

9·Riise admits the threat of new players has prompted him to stay sharp during the summer.

里瑟承认，新球员带来的威胁提醒他必须在夏天保持良好的状态。

10·Dormitory safety becomes even more of an issue on the verge of graduation season, so students had better stay sharp.

临近毕业季，寝室安全问题变得尤为突出，所以同学们最好保持警惕。