keep [(1) to possess; (2) to have for oneself]
They kept the old house for a long time. (1)
He keeps most of the money that he earns. (2)
kick [to hit with the foot]
How far can you kick the ball?
kidnap [to seize and take away by force]
The man kidnapped the boy but released him after the family paid him a million dollars.
kill [(1) to make dead; (2) to cause to die]
The woman killed her three husbands for their money. (1)
The blight killed almost every chestnut tree in the United States. (2)
kind [(1) sort; (2) gentle; (3) caring; (4) helpful]
What kind of dog is that? (1)
He is a kind man. (2)
She was a kind mother to all her children. (3)
A kind old man told me where to find your house. (4)
kiss [to touch with the mouth to show love or honor]
Do you remember your first kiss?
knife [a tool or weapon used to cut]
The knife that he found was very sharp.
know [(1) to understand something as correct; (2) to have the facts about; (3) to recognize someone because you have met and talked together before]
I know the answer to your question. (1)
Do you know how deep the river is here? (2)
He knew her for many years. (3)
knowledge [(1) that which is known; (2) learning or understanding]
A huge library in Alexandria, Egypt, was the world's center of knowledge 2,300 years ago. (1)
You can use the Internet computer system to find knowledge about a great many subjects. (2)内容来自 听力课堂网：http://www.tingclass.net/show-8556-244635-1.html