be weak

基本解释

The inhabitants of this planet are weak and foolish.
这个星球的居民是软弱和愚蠢的。
They tell us, sir, that we are weak -- unable to cope with so formidable an adversary.
先生，他们告诉我们，我们是弱小的——不能应付如此强大的对手。
In areas where health systems are weak or virtually non-existent, basic data will not be collected.
在卫生系统薄弱或事实上不存在的地区，是不会收集基本数据的。

Chris Howson says many of the causes of preterm births are related to poverty and weak health-care systems.
I mean, if the energy is lower to occupy a smaller volume, then if I have this room and a bunch of molecules of oxygen, and nitrogen and what have you in the air, and there are weak attractions between them, why don't they all just sort of glum together and find whatever volume they like.
我的意思是，如果占据小的体积会使能量降低，如果我有这样一个空间,和一些氧气，氮气和其他空气中有的气体，并且分子之间还有微弱的相互作用，为什么他们不黏在一起,然后占据他们所想要占据的体积。
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So, what you have are small, poor, weak units, and that's a miserable situation.
我们所看到的是微小的,贫穷的,虚弱的小单元,这是一种悲惨的境地
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Prudential controls on capital inflows certainly make sense, particularly when domestic banks are weak.
ECONOMIST: Time to turn off the tap?