音标：[wi:k]
a. 不牢固的, 弱的, 虚弱的, 软弱的, 无力的, 无权力的, (论据等)不充分的
【经】 疲软的
相关词组:
as weak as water
as weak as a cat
在线英汉词典

weak的短语、例句：

weak adj (-er, -est) 1 (a) lacking strength or power; easily broken, bent or defeated 弱的; 无气力的; 无势力的; 易毁坏的; 易弯的; 容易被击败的
She was still weak after her illness. 她病後仍很虚弱.
too weak to walk far 身体很虚弱不能走远道
Her legs felt weak/She felt weak in the legs. 她感到双腿无力.
The supports were too weak for the weight of the load. 所载的分量很重已经禁不住了.
a weak barrier, defence, team 不结实的挡板、 无力的防御、 弱队
a weak chin/mouth, ie suggesting or showing weakness of character 软弱的性格
identify the weak points in an argument, ie those which may be attacked most easily 找出论据中的弱点. (b) (commerce 商) not financially sound or successful 疲软的; 萧条的
a weak currency, economy, market 疲软的货币、 经济、 市场. 2 not functioning properly; deficient 功能不佳的; 疲弱的
weak eyes/sight 视力弱的眼睛[不佳的视力]
a weak heart 衰弱的心脏
a weak stomach, ie one that is easily upset by food 易引起恶心的胃. 3 not convincing or forceful 无说服力的; 无力的
weak arguments, evidence 无说服力的论据、 证据. 4 not easily perceived; feeble or faint 不易察觉的; 微弱的
a weak light, signal, sound 微弱的光线、 信号、 声音
a weak smile 微微的一笑. 5 (of liquids) containing a high proportion of water; dilute （指液体）稀的, 稀释的: weak tea 淡茶
a weak solution of salt and water 稀释的盐水溶液. 6 ~ (at/in/on sth) not achieving a high standard; deficient 未达高标准的; 有缺欠的
Her school report shows that she is weak at/in arithmetic and biology. 从她的学习成绩单可看出她算术和生物成绩差.
The book is weak on (ie in its treatment of) the medieval period. 这本书对中世纪时期论述不足. 7 (grammar) (of verbs) forming the past tense, etc by the addition of a suffix (eg walk, walked or waste, wasted) and not by a change of vowel (eg run, ran or come, came) （指动词）弱的, 规则的（构成过去时态需添加词尾的, 如walk、 walked或waste、 wasted, 并非改变元音的, 如run、 ran或come、 came）. 8 (idm 习语) ,weak at the `knees (infml 口) temporarily hardly able to stand because of emotion, fear, illness, etc 一时两腿发软站立不住（因激动、 惧怕、 疾病等所致）
The shock made me go all weak at the knees. 这件事把我吓得两腿发软. the weaker `sex (dated sexist 旧, 性别偏见) women in general 女性. ,weak in the `head (infml 口) stupid 愚蠢的
You must be weak in the head if you believe that. 你相信那件事可就太傻了. a weak `moment time when one is unusually easily persuaded or tempted 易被说服或诱惑的时刻
In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用.