be weak

基本解释

The inhabitants of this planet are weak and foolish.
這個星球的居民是軟弱和愚蠢的。
They tell us, sir, that we are weak -- unable to cope with so formidable an adversary.
先生，他們告訴我們，我們是弱小的——不能應付如此強大的對手。
In areas where health systems are weak or virtually non-existent, basic data will not be collected.
在衛生系統薄弱或事實上不存在的地區，是不會收集基本數據的。

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，如果佔據小的躰積會使能量降低，如果我有這樣一個空間,和一些氧氣，氮氣和其他空氣中有的氣躰，竝且分子之間還有微弱的相互作用，爲什麽他們不黏在一起,然後佔據他們所想要佔據的躰積。
麻省理工公開課 - 熱力學與動力學課程節選
So, what you have are small, poor, weak units, and that's a miserable situation.
我們所看到的是微小的,貧窮的,虛弱的小單元,這是一種悲慘的境地
耶魯公開課 - 古希臘歷史簡介課程節選

Prudential controls on capital inflows certainly make sense, particularly when domestic banks are weak.
ECONOMIST: Time to turn off the tap?