名词是weakness

weak

adj.虚弱的无力的不牢固的易损坏的易破的易受影响的懦弱的软弱无力的

比较级： weaker

最高级： weakest 扩展资料

He became very weak towards the end of his life.

他临终时很虚弱。

He was a weak little mouse of a man.

他是个懦弱无能的人。

I was always weak in the science subjects.

我总是学不好理科