If a person or thing is capable of doing something, they have the ability to do it.
He appeared hardly capable of conducting a coherent conversation.
他似乎连进行连贯谈话的能力都没有。
The kitchen is capable of catering for several hundred people.
这间厨房可为数百人提供饮食。
a man capable of murder.
一名可能会杀人的男子。