v.奪去生命；使衰弱

To deplete or weaken gradually; devitalize. 使逐漸耗竭或削弱;消耗。

To deplete or weaken gradually;devitalize. 使逐漸耗竭或削弱；消耗

Have you ever noticed how sorrow (which is entirely a mental state) will depress and devitalize you, regardless of any amount of exercise or health foods you may take? 你還可曾注意到悲傷（這也是一種精神狀態(tài)）是如何將你擊垮使你萎靡不振的嗎？“悲傷到來時，不論你做什么運動吃什么補品都于事無補。”）

and thirdly, whether this reform will devitalize the competition. 第三，這次改革采用的治理結(jié)構(gòu)是否得當(dāng)。