stultify

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The regular use of calculators could stultify a child's capacity to do basic mental operations.
经常使用计算器会使孩子用脑进行基本运算的能力变得迟钝。
Both the LHC and the Space program are vital if the human race is not to stultify and eventually die out.
LHC和空间项目对人类都至关重要——如果人类不想一代代笨下去并最终灭亡的话。
He had made money, and had had splendid opportunities to make a great deal more if he had been willing to stultify his conscience, but that he had never been able to do.
他也赚过一点钱，而且如果他肯昧良心的话，原有很好的机会可以多赚的，但是这样的事情他始终不干。

The level of supervision needed to root out all the mediocre will also stultify the brilliant.
ECONOMIST: Britain's oldest university wrestles with modernisation
The move towards it, in fact, if implemented too quickly, could stultify economic growth.
FORBES: Are Washington And Wall Street Headed For Communication Breakdown On Deficit?
But greed, in fact, prompts capitalists to seek government guarantees and subsidies that denature and stultify the works of entrepreneurs.
FORBES: The Wonders of Wealth, the Path Out of Poverty

If something stultifies you, or if it stultifies your energy or ambition, it makes you feel empty or dull in your mind, because it is so boring.
stultifying