1 (used about the body) having little strength or energy; not strong （指身体）无力的，虚弱的，疲弱的: The child was weak with hunger. 孩子饿得虚弱无力。Her legs felt weak. 她感到双腿乏力。

2 that cannot support a lot of weight; likely to break 不牢固的；易毁坏的: That bridge is too weak to take heavy traffic. 那座桥太不坚固，不能负荷繁忙的交通。

3 not having economic success （经济）不景气的，疲软的: a weak currency/economy/market 疲软的货币╱经济╱市场

4 easy to influence; not firm or powerful 易受他人影响的；不坚定的；软弱的: He is too weak to be a good leader. 他太软弱，不能成为好领袖。a weak character 软弱的性格

5 (used about an argument, excuse, etc) not easy to believe （指论据、借口等）无说服力的: She made some weak excuse about washing her hair tonight. 她为今晚洗发的事找了一个勉强的借口。

6 not easy to see or hear; not definite or strong 微弱的；不确定的: a weak voice 微弱的声音She gave a weak smile. 她勉强一笑。

7 (used about liquids) containing a lot of water, not strong in taste （指液体）淡的，稀的，乏味的: weak coffee 淡咖啡I like my tea quite weak. 我喜欢喝很淡的茶。

8 weak (at/in/on sth) not very good at sth 不擅于: He's weak at Maths. 他不擅数学。His maths is weak. 他的数学很弱。a weak team 一个弱队 [OPP] for all senses strong 所有义项的反义词皆为strong➔weakly adv