有些事情可能会出错，这需要人们保持一种高度警觉的状态。
The possibility that something could go wrong required a state of hyper-awareness.
保持谦和的心理状态有助于我们达到更高的高度。
Maintaining in a modest and peaceful mental state pushes us further up to a higher level.
在帕默指责杰克危及了伊丽莎白的安全之后，杰克恳请帕默保持他的警卫处于高度戒备状态，因为其它2名杀手还未被捕。
After Palmer accuses him of endangering Elizabeth Nash, Jack begs the candidate to keep his security at high alert because two other suspects are still at large.
这就好比一个战士处于战场中，时刻需要保持高度戒备状态一样。
This is like a soldier in the battlefield, always the same need to maintain a high state of alert.
目的：为保持胚胎干细胞的高度未分化状态，饲养层细胞成为胚胎干细胞体外培养中不可缺少的条件。
AIM: Feeder layer cells are the necessary condition to prevent the differentiation of embryonic stem cells cultured in vitro.
乐观主义者的生物应激系统不会一刻不歇地保持高度警惕状态，所以不会破坏免疫系统，让慢性病乘虚而入。
This may be because pessimists are not as good as optimists at handling stress, which taxes the immune system and causes other health problems, such as high blood pressure.
家猫高度活跃的时间只有3%，而需要自行觅食的野生猫科动物则有14%的时间是保持高度兴奋状态的。
But they still averaged a range of just under five acres. The pets were highly active just 3 percent of the time, compared with 14 percent for the cats that need to find their own food.
他们已经习惯了压力，他们在球场上总是能保持高度紧张，他们必须要获得冠军联赛的席位，我们必须保持好现在的状态。
They are used to whistles and pressures, they always maintain the right tension on the pitch. They have to earn a Champions League place, we just have to stay up.
他们已经习惯了压力，他们在球场上总是能保持高度紧张，他们必须要获得冠军联赛的席位，我们必须保持好现在的状态。
They are used to whistles and pressures, they always maintain the right tension on the pitch. They have to earn a Champions League place, we just have to stay up.
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