必须

He has to be very proactive and seize on any available opportunity to win.

他的一切行动必须很有预见性，任何胜出机会他都必须把握。

In order to face challenges from multi-culture, it is a must for education to demolish visible and invisible barriers to strengthen the link with society; to transform the attitude of indulging in self-admiration, to undertake culture responsibility.

要迎接多元文化的挑战，教育就必须拆除有形、无形的围墙，加强与社会的联系；必须改变自命清高、孤芳自赏的心态，承担起应有的文化职责。

"I agree," Pellaeon said."But at this point the argument is irrelevant. The New Republic's self-annihilation could take decades; and long before they destroyed themselves' they would have made sure to grind the remnants of the Empire to dust." He lifted his eyebrows."All of us, needless to say, would be dead. Killed in battle, or else executed under their current concept of justice."

佩雷昂虽然感到现在必须求和，但似乎也倾向于认同其他帝国官员对新共和国的看法：新共和国是不可能长存的，因为在这样庞大的一个银河系，必须有一个强大的中央集权来维护银河系的秩序，方能使千千万万个种族凝聚在一起，不至于分崩离析。

As long as you are caught in self-contradiction you cannot think; so you must remove the contradiction, you must do one thing or the other. Which will it be?

只要你的心中有矛盾，你就不能思考，因此你必须先去除心中的矛盾，你必须在你的绘画与父亲两者之间做选择。

Either punishment must be self-justifying , as the retributivists claim , or it must depend for its justification on something other than itself, the general formula of "utilitarianism" in the wide sense appropriate here .

要么就是报应主义者所主张的惩罚必须通过自身来证明其正当性，要么就是功利主义者在广泛意义上所适用的基本准则，即必须由其他而非惩罚本身的事物来证明其正当性。

This may evoke some of the old contentious debates of empirical versus normative, of diverse methods versus a self-ordained single approach.

这种一分为二的方法可能不被？？？，但是这种方法不仅必须被公共管理部门而且必须被通常的社会科学界当做一种学术性的认识。

We have made it clear in our inquiry that the 1000 ton self-raising flour should arrive here by May 30, 2006, and that it should be packed in plastic bags of 5 kilo per sack for sales.

我们在信中已明确告诉贵方，我们拟购的1000吨自发粉必须在2006年5月30日前抵达这里，且必须用塑料袋包装，每袋5公斤，以便销售。

You must, you must send away this friend of yours.

你必须，你必须把你的朋友送走。

The difference of opinion arises because, where events occur in separated locations, both sets of observers have to make calculations before they can decide on the simultaneity or otherwise of separated events; they have to make allowance for the time it has taken for the light signals to travel from the distant locations, and both insist that the speed of light is a constant in all directions relative to them.

不同的观点就出现了，因为在事件发生的两个地方的两组观察者在确定事件是否同时发生之前都必须先经过计算；他们必须扣除光信号从远处传来时所耗的时间，而同时，他们又都坚信光速在相对他们的所有方向上都是恒速的。

The serve must be played from behind thebaseline and must land in the service box.

发球时选手必须站在底线之外，球必须要落在对方的发球区内。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。