weak
/wiːk/- lacking the power to perform physically demanding tasks; lacking physical strength and energy无力的, 缺少体力（精力）的, 虚弱无力的：
she was recovering from flu, and was very weak.
她患了流感, 身体正在恢复, 但十分虚弱。
- lacking political or social power or influence缺乏政治（或社会）影响力的, 软弱的：
the central government had grown too weak to impose order
中央政府已变得十分软弱, 无法令行禁止
as plural noun the weak the new king used his powers to protect the weak.新国王利用他的权力来保护弱者。
- (of a crew, team, or army) containing too few members or members of insufficient quality（组, 队, 军队）人员不足的; 人员素质差的。
- (of a faculty or part of the body) not able to fulfil its functions properly（设施, 身体器官）功能差的：
he had a weak stomach.
他的胃不太好。
- of a low standard; performing or performed badly标准低的; 表现差的：
the choruses on this recording are weak.
这张唱片的合唱水平不高。
- not convincing or logically forceful无说服力的; 逻辑不周密的：
the argument is an extremely weak one
这个论点毫无说服力
a weak plot.
逻辑松散的情节。
- exerting only a small force微弱的：
a weak magnetic field.
弱磁场。
- liable to break or give way under pressure; easily damaged易破的, 易倒塌的, 易坏的：
the salamander's tail may be broken off at a weak spot near the base.
蝾螈的尾巴很容易在根部的脆弱部位断掉。
- lacking the force of character to hold to one's own decisions, beliefs, or principles; irresolute犹豫不决的。
- (of a belief, emotion, or attitude) not held or felt with such conviction or intensity as to prevent its being abandoned or dispelled（信仰, 情感, 态度）不坚定的：
their commitment to the project is weak.
他们对这个项目的承诺不够坚定。
- not in a secure financial position财务状况不稳健的：
people have no faith in weak banks.
人们对财务状况不好的银行没有信心。
- (of prices or a market) having a downward tendency（价格, 市场）疲软的。
- lacking intensity or brightness微弱的：
a weak light from a single street lamp.
惟一一盏街灯发出的微弱光线。
- (of a liquid or solution) lacking flavour or effectiveness through being heavily diluted（液体, 溶液）淡的：
a cup of weak coffee.
一杯淡咖啡。
- displaying or characterized by a lack of enthusiasm or energy缺乏热情（或活力）的：
she managed a weak, nervous smile.
她的微笑勉强又紧张。
- (of features) not striking or strongly marked（容貌）不突出的, 不引人注目的：
his beard covered a weak chin.
他的胡须下面是十分平常的下巴。
- (of a syllable) unstressed（音节）轻读的, 非重读的。
- Grammar denoting a class of verbs in Germanic languages that form the past tense and past participle by addition of a suffix (in English, typically-ed)【语法】词尾变化的（日耳曼语言中的一类动词通过加后缀构成过去式和过去分词, 英语中尤指加-ed）。
- Physics of, relating to, or denoting the weakest of the known kinds of force between particles, which acts only at distances less than about 10-15 cm, is very much weaker than the electromagnetic and the strong interactions, and conserves neither strangeness, parity, nor isospin【物理】弱的。
the weaker sex
- treated as sing. or pl. dated, derogatory women regarded collectively〈旧, 贬〉妇女, 女性。
weak at the knees
- helpless with emotion情感脆弱的, 控制不了感情的。
the weak link
- the point at which a system, sequence, or organization is most vulnerable; the least dependable element or member薄弱环节。