手术时机把握不准。
语言是一门微妙且不断变化的学问，一不留神就把握不准了。
Language is subtle and constantly changing, challenging us to stay abreast of it.
在使用及翻译实践中，由于对其实际意义把握不准确而常常出现误用误译的情况。
In our practice of reading and translation, misinterpretation and misuse of them often occurs due to inaccurate grasp of their true meaning.
但与此同时，一旦制造事件这一步如果着力不正、舆论导向把握不准，则很有可能妙棋走成臭棋。
But meanwhile, once make event this one pace if exert oneself frame-up, public opinion is oriented hold forbid, very possible subtle step goes into smelly chess.
很多外语种学生在单词重音和语调方面存在学习难题，也就是对人们说话时的声音的升高和降低把握不准。
Many students of a foreign language have trouble with word stress and intonation - raising and lowering the sound of your voice when you speak.
循环流化床锅炉在启动过程中普遍存在投油量过大，开始投煤时间把握不准等现象，导致启动过程中资源过度浪费，甚至会出现启动失败的情况。
Because of over consumption of oil and inaccurate coal-feeding time in the start-up process of the circulating fluidized bed(CFB) boiler, resource waste and even the start-up failure occur.
当实验人员不准他们互相沟通对各自答案有多大把握的时候，他们就没能比自己单独做决定时做得更好了。
When they were not allowed to communicate with each other about their confidence, they couldn't do any better than the best solo player.
作为微软公司中负责把握业界潮流的高管，Allard告诉盖茨，他的团队不准备打造新的邮件用户体验。
Allard, Microsoft's executive hipster charged with keeping tabs on computing trends, told Gates his team wasn't trying to build another E-mail experience.
在雨雪、大雾等天气，车主们对制动距离的把握变得不准，常常会造成追尾事故。
In the fog rain and snow, the weather, the owners of the grasp of braking distance, become not often cause behind accident.
档案本质属性研究存在着把握档案属性不准确，认识片面化、简单化，逻辑混乱等问题。
There are some problems existed in the research of the archival essential attribute, such as judgment not exact, understanding unilateral and simplification, logic confusion and so on.
这都是为了把握一个我们并无准确对应的哲学概念所作的粗陋尝试，因此一切英译必然是不准确的。
All are clumsy attempts to capture the meaning of a philosophical concept for which we have no exact parallel, and thus all English renderings are bound to be imprecise.
对于不清楚，把握不清楚、把我不准确的问题应及时请示有关专家或者相关领导并给予用户一个准确的解答。
For the unclear and out-of-control problems, it is necessary to ask the relevant expert or leader for instruction and give an exact reply to the customer.
对于不清楚，把握不清楚、把我不准确的问题应及时请示有关专家或者相关领导并给予用户一个准确的解答。
For the unclear and out-of-control problems, it is necessary to ask the relevant expert or leader for instruction and give an exact reply to the customer.
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