薄弱用英语怎么说

薄弱，英文中称为"weakness"。

这个词来源于英语单词"weak"，源于古法语"weik"，意思是"虚弱"。

例句：

His weakness is his lack of confidence. 他的弱点是缺乏自信。
She knows her own weakness and is working to improve it. 她知道自己的弱点，正在努力改进。
The company's biggest weakness is its lack of innovation. 这家公司最大的弱点是缺乏创新。